ROLLOUT 4 · Qiskit/qiskit-terra
qiskit__qiskit-terra-5833
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471 stotal time
11tool calls
11model calls
4,806tokens generated
105,318prompt tokens read
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System instructions 4,822 characters
You are a principal Python software engineer resolving a repository issue in `/workspace`. Your sole objective is to produce a minimal, root-cause source patch that passes every hidden fail-to-pass and pass-to-pass regression test on the first grading run. ## Critical Environment & Grader Rules 1. **Air-Gapped Sandbox & Available CLI Tools**: No network access. Never run `pip`, `uv`, `conda`, or `git fetch`. Note: `rg` (`ripgrep`) is NOT installed in the container — always use `grep -rn --include="*.py"` for fast exact searches so you never waste a tool call on `command not found`. 2. **Protected Grading Paths**: Before running official verification, the grading harness **strips and reverts all changes** to `tests/`, `test/`, `testing/`, `test_*.py`, `*_test.py`, `conftest.py`, `pyproject.toml`, `setup.cfg`, `pytest.ini`, and `tox.ini`. Every part of your fix MUST reside in non-test production source files. 3. **Untracked File Trap (`git add -N .`)**: `submit_patch` stages ALL untracked files inside `/workspace`! Never leave reproduction or scratch files inside `/workspace` — run reproductions inline via `python3 - <<'PY'` or inside `/tmp/repro.py` in a single `run_command`. 4. **Stdout Truncation Rule**: `run_command` truncates stdout after the first 5,000 characters from the TOP. Always run pytest quietly with short tracebacks: `pytest path/to/test_file.py -k pattern -q --tb=short --no-header` If a test file is large, redirect output to `/tmp/pytest.log` and inspect `tail -n 80 /tmp/pytest.log` so failure tracebacks at the bottom are never cut off. 5. **Strict Pacing Discipline**: `get_status` and `submit_patch` are free and do NOT count toward `max_tool_calls`. Target **16-22 counted tool calls total**, and **begin your first `edit_file` change no later than tool call 15**. Reserve at least 4 calls for verification, `git status --short && git diff`, and submission. ## Execution Protocol ### Phase 1 — Pinpoint Code & Tests Immediately (1-2 tool calls) - The user message already contains `Workspace Layout` — do NOT waste a turn running `ls` on top-level directories. - Run a single compound `run_command` with `grep -rn --include="*.py"` to locate: (a) the exact symbols, error strings, or functions from the problem description, (b) **all parallel or sibling implementations** (for example sync + async variants, `Client` + `AsyncClient`, serializer + deserializer, multiple backends/dialects, base + subclass methods, `__init__.py` / `__all__` exports), and (c) the closest existing unit test files under `tests/`. ### Phase 2 — Deep Read & Spec Anchor (2-5 tool calls) - Use `read_file` with generous `start_line` and `end_line` windows (180-300 lines per call so you read whole modules in fewer calls) on the target function/class, callers, type annotations, and neighboring tests. - Before editing, verify every explicit and implicit requirement from the issue: exact parameter names, defaults, boundary/domain edge cases, exception types/messages, `None` vs empty collection vs falsy (`0`, `False`, `""`) semantics, mutability/copying, and return types. ### Phase 3 — Reproduce Bug in One Call (1 tool call) - Run ONE concise command (`python3 - <<'PY' ... PY` or targeted `pytest ... -q --tb=short --no-header`) via `run_command` to observe the exact pre-fix failure. Do NOT spend multiple tool calls writing separate reproduction scripts. ### Phase 4 — Surgical Implementation Across All Parallel Paths (1-4 tool calls) - Begin editing by tool call 15! Use `edit_file` with 4-6 lines of exact surrounding context copied from `read_file`. - Update ALL parallel codepaths (sync/async, multiple classes/dialects, type hints) consistently so partial fixes do not fail sibling tests. - **2-Strike Edit Rule**: If `edit_file` fails twice on the same block due to whitespace or escaping, do not retry `edit_file` a third time — apply an atomic Python transformation via `run_command` and immediately verify `python3 -m py_compile path/to/file.py`. ### Phase 5 — Edge-Case Verification, Diff Hygiene & Clean Exit (2-4 tool calls) - Run a single compound `run_command` testing both your reproduction + boundary edge cases (`None`, empty input, leading/trailing delimiters, subdomain/prefix boundaries, subclass/async parity) AND the relevant existing `pytest` module(s) with `-q --tb=short --no-header`. - Run `git status --short && git diff` via `run_command`. Confirm: - ZERO untracked (`??`) files in `/workspace` (`rm -f` any untracked workspace files immediately), - ZERO modifications to `tests/` or protected config files (`git checkout -- tests/` if touched), - Minimal, clean diff with valid imports and indentation. - Call `submit_patch` once verification passes, then respond with a brief 2-sentence plain-text summary and make NO further tool calls.
Task prompt 10,333 characters
You are evaluating a software engineering task for repository Qiskit/qiskit-terra.
Problem Statement:
OptimizeSwapBeforeMeasure needs multiple invocations
The `OptimizeSwapBeforeMeasure` pass is supposed to commute quantum SWAP gates that immediately precede measurements, past the measurements, and instead convert them to classical swap (i.e.just retarget the measurement clbit).
However this should be generalized to work with any permutation that happens before the measurements, not just one swap layer. I made this work by invoking it many times for the example below, but really one invocation should be smart enough to remove all the swaps (that whole swap network should be modeled as a permutation).
```py
from qiskit import QuantumCircuit
from qiskit.transpiler.passes import OptimizeSwapBeforeMeasure, Depth, FixedPoint
from qiskit.transpiler import PassManager
circ = QuantumCircuit(8, 8)
circ.swap(3, 4)
circ.swap(6, 7)
circ.swap(0, 1)
circ.swap(6, 7)
circ.swap(4, 5)
circ.swap(0, 1)
circ.swap(5, 6)
circ.swap(3, 4)
circ.swap(1, 2)
circ.swap(6, 7)
circ.swap(4, 5)
circ.swap(2, 3)
circ.swap(0, 1)
circ.swap(5, 6)
circ.swap(1, 2)
circ.swap(6, 7)
circ.swap(4, 5)
circ.swap(2, 3)
circ.swap(3, 4)
circ.swap(3, 4)
circ.swap(5, 6)
circ.swap(1, 2)
circ.swap(4, 5)
circ.swap(2, 3)
circ.swap(5, 6)
circ.measure(range(8), range(8))
print(circ)
_depth_check = [Depth(), FixedPoint('depth')]
_opt = [OptimizeSwapBeforeMeasure()]
def _opt_control(property_set):
return not property_set['depth_fixed_point']
pm = PassManager()
pm.append(_depth_check + _opt, do_while=_opt_control) # should not need this do_while
print(pm.run(circ))
```
```
┌─┐
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│ │ │ └╥┘ ┌─┐
q_1: ─X──X──X──X──X──╫─────X────┤M├─────────────────────
│ │ ║ │ └╥┘ ┌─┐
q_2: ───────X──X──X──╫──X──X─────╫──X────┤M├────────────
│ ║ │ ║ │ └╥┘┌─┐
q_3: ─X─────X──X─────╫──X──X──X──╫──X─────╫─┤M├─────────
│ │ ║ │ │ ║ ║ └╥┘┌─┐
q_4: ─X──X──X──X─────╫──X──X──X──╫──X─────╫──╫─┤M├──────
│ │ ║ │ ║ │ ║ ║ └╥┘┌─┐
q_5: ────X──X──X──X──╫──X──X─────╫──X──X──╫──╫──╫─┤M├───
│ │ ║ │ ║ │ ║ ║ ║ └╥┘┌─┐
q_6: ─X──X──X──X──X──╫──X──X─────╫─────X──╫──╫──╫──╫─┤M├
│ │ │ ║ │ ┌─┐ ║ ║ ║ ║ ║ └╥┘
q_7: ─X──X─────X─────╫──X─┤M├────╫────────╫──╫──╫──╫──╫─
║ └╥┘ ║ ║ ║ ║ ║ ║
c: 8/════════════════╩═════╩═════╩════════╩══╩══╩══╩══╩═
0 7 1 2 3 4 5 6
┌─┐
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┌─┐└╥┘
q_1: ───┤M├─╫────────────────
┌─┐└╥┘ ║
q_2: ┤M├─╫──╫────────────────
└╥┘ ║ ║ ┌─┐
q_3: ─╫──╫──╫────┤M├─────────
║ ║ ║ └╥┘ ┌─┐
q_4: ─╫──╫──╫─────╫───────┤M├
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q_5: ─╫──╫──╫─┤M├─╫────────╫─
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q_6: ─╫──╫──╫──╫──╫─┤M├────╫─
║ ║ ║ ║ ║ └╥┘┌─┐ ║
q_7: ─╫──╫──╫──╫──╫──╫─┤M├─╫─
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c: 8/═╩══╩══╩══╩══╩══╩══╩══╩═
0 1 2 3 4 5 6 7
```
## Task Budget (Session terminates when any budget is exhausted)
- Time allowance: 7.5 minutes
- Tool calls allowance: 30 calls
- Max loop iterations: 40 turns
## Execution Environment Rules
- Single command timeout: 90 seconds (commands exceeding this fail without ending the session)
- Command output limit: 5000 characters
- File view limit: 150 lines per read_file call
- File character limit: 10000 characters per read_file call
- Environment is offline (no network/PyPI access). All repository and test dependencies are ALREADY pre-installed. Do NOT attempt to run pip install or download packages.
## Instructions:
0. All source code is under `/workspace`. Do NOT search outside `/workspace` (e.g. `/usr/`, `/wheels/`, system site-packages). If imports fail, the issue is in the source code under `/workspace`, not in missing system packages.
1. Analyze the problem statement and any provided hints carefully to identify all requested script paths, CLI subcommands, or Python modules.
2. Inspect existing codebase conventions and test files before making edits.
3. Verify your implementation using targeted tests or inline assertions before submitting.
4. Call submit_patch only after your implementation is complete and verified.
5. As your final action, you must return a text-only response reporting your completion to terminate the session.
## Workspace Layout
The repository is located at `/workspace`. Here is the directory tree (up to 3 levels):
```
./CODE_OF_CONDUCT.md
./CONTRIBUTING.md
./LICENSE.txt
./MANIFEST.in
./Make.bat
./Makefile
./README.md
./azure-pipelines.yml
./constraints.txt
./docs
./examples
./postBuild
./pyproject.toml
./qiskit
./qiskit/VERSION.txt
./qiskit/__init__.py
./qiskit/algorithms
./qiskit/algorithms/__init__.py
./qiskit/algorithms/algorithm_result.py
./qiskit/algorithms/amplitude_amplifiers
./qiskit/algorithms/amplitude_estimators
./qiskit/algorithms/eigen_solvers
./qiskit/algorithms/exceptions.py
./qiskit/algorithms/factorizers
./qiskit/algorithms/minimum_eigen_solvers
./qiskit/algorithms/optimizers
./qiskit/algorithms/variational_algorithm.py
./qiskit/algorithms/variational_forms
./qiskit/assembler
./qiskit/assembler/__init__.py
./qiskit/assembler/assemble_circuits.py
./qiskit/assembler/assemble_schedules.py
./qiskit/assembler/disassemble.py
./qiskit/assembler/run_config.py
./qiskit/circuit
./qiskit/circuit/__init__.py
./qiskit/circuit/_utils.py
./qiskit/circuit/add_control.py
./qiskit/circuit/barrier.py
./qiskit/circuit/bit.py
./qiskit/circuit/classicalfunction
./qiskit/circuit/classicalregister.py
./qiskit/circuit/controlledgate.py
./qiskit/circuit/delay.py
./qiskit/circuit/duration.py
./qiskit/circuit/equivalence.py
./qiskit/circuit/equivalence_library.py
./qiskit/circuit/exceptions.py
./qiskit/circuit/gate.py
./qiskit/circuit/instruction.py
./qiskit/circuit/instructionset.py
./qiskit/circuit/library
./qiskit/circuit/measure.py
./qiskit/circuit/parameter.py
./qiskit/circuit/parameterexpression.py
./qiskit/circuit/parametertable.py
./qiskit/circuit/parametervector.py
./qiskit/circuit/quantumcircuit.py
./qiskit/circuit/quantumcircuitdata.py
./qiskit/circuit/quantumregister.py
./qiskit/circuit/random
./qiskit/circuit/register.py
./qiskit/circuit/reset.py
./qiskit/circuit/tools
./qiskit/compiler
./qiskit/compiler/__init__.py
./qiskit/compiler/assembler.py
./qiskit/compiler/scheduler.py
./qiskit/compiler/sequencer.py
./qiskit/compiler/transpiler.py
./qiskit/converters
./qiskit/converters/__init__.py
./qiskit/converters/ast_to_dag.py
./qiskit/converters/circuit_to_dag.py
./qiskit/converters/circuit_to_dagdependency.py
./qiskit/converters/circuit_to_gate.py
./qiskit/converters/circuit_to_instruction.py
./qiskit/converters/dag_to_circuit.py
./qiskit/converters/dag_to_dagdependency.py
./qiskit/converters/dagdependency_to_circuit.py
./qiskit/converters/dagdependency_to_dag.py
./qiskit/dagcircuit
./qiskit/dagcircuit/__init__.py
./qiskit/dagcircuit/dagcircuit.py
./qiskit/dagcircuit/dagdependency.py
./qiskit/dagcircuit/dagdepnode.py
./qiskit/dagcircuit/dagnode.py
./qiskit/dagcircuit/exceptions.py
./qiskit/exceptions.py
./qiskit/execute_function.py
./qiskit/extensions
./qiskit/extensions/__init__.py
./qiskit/extensions/exceptions.py
./qiskit/extensions/hamiltonian_gate.py
./qiskit/extensions/quantum_initializer
./qiskit/extensions/simulator
./qiskit/extensions/unitary.py
./qiskit/opflow
./qiskit/opflow/__init__.py
./qiskit/opflow/converters
./qiskit/opflow/evolutions
./qiskit/opflow/exceptions.py
./qiskit/opflow/expectations
./qiskit/opflow/gradients
./qiskit/opflow/list_ops
./qiskit/opflow/operator_base.py
./qiskit/opflow/operator_globals.py
./qiskit/opflow/primitive_ops
./qiskit/opflow/state_fns
./qiskit/providers
./qiskit/providers/__init__.py
./qiskit/providers/backend.py
./qiskit/providers/basebackend.py
./qiskit/providers/basejob.py
./qiskit/providers/baseprovider.py
./qiskit/providers/basicaer
./qiskit/providers/exceptions.py
./qiskit/providers/job.py
./qiskit/providers/jobstatus.py
./qiskit/providers/models
./qiskit/providers/options.py
./qiskit/providers/provider.py
./qiskit/providers/providerutils.py
./qiskit/pulse
./qiskit/pulse/__init__.py
./qiskit/pulse/builder.py
./qiskit/pulse/channels.py
./qiskit/pulse/configuration.py
./qiskit/pulse/exceptions.py
./qiskit/pulse/instruction_schedule_map.py
./qiskit/pulse/instructions
./qiskit/pulse/interfaces.py
./qiskit/pulse/library
./qiskit/pulse/macros.py
./qiskit/pulse/parser.py
./qiskit/pulse/reschedule.py
./qiskit/pulse/schedule.py
./qiskit/pulse/transforms.py
./qiskit/pulse/utils.py
./qiskit/qasm
./qiskit/qasm/__init__.py
./qiskit/qasm/exceptions.py
./qiskit/qasm/libs
./qiskit/qasm/node
./qiskit/qasm/pygments
./qiskit/qasm/qasm.py
./qiskit/qasm/qasmlexer.py
./qiskit/qasm/qasmparser.py
./qiskit/qobj
./qiskit/qobj/__init__.py
./qiskit/qobj/common.py
./qiskit/qobj/converters
./qiskit/qobj/pulse_qobj.py
./qiskit/qobj/qasm_qobj.py
./qiskit/qobj/utils.py
./qiskit/quantum_info
./qiskit/quantum_info/__init__.py
./qiskit/quantum_info/analysis
./qiskit/quantum_info/operators
./qiskit/quantum_info/random.py
./qiskit/quantum_info/states
./qiskit/quantum_info/synthesis
./qiskit/result
./qiskit/result/__init__.py
./qiskit/result/counts.py
./qiskit/result/exceptions.py
./qiskit/result/models.py
./qiskit/result/postprocess.py
./qiskit/result/result.py
./qiskit/result/utils.py
./qiskit/scheduler
./qiskit/scheduler/__init__.py
./qiskit/schemas
./qiskit/test
./qiskit/tools
./qiskit/transpiler
./qiskit/user_config.py
./qiskit/util.py
./qiskit/utils
./qiskit/validation
./qiskit/version.py
./qiskit/visualization
./releasenotes
./releasenotes/config.yaml
./releasenotes/notes
./requirements-dev.txt
./requirements.txt
./setup.py
./test
./test/__init__.py
./test/ipynb
./test/python
./test/randomized
./tools
./tools/find_optional_imports.py
./tools/report_ci_failure.py
./tools/subunit_to_junit.py
./tools/update_fake_backends.py
./tools/verify_headers.py
./tox.ini
```
Turn 1at 30 s141 tokens out5,925 prompt tokens
The user wants to optimize the `OptimizeSwapBeforeMeasure` transpiler pass in Qiskit. The problem is that `OptimizeSwapBeforeMeasure` only handles one "layer" of SWAP gates before measurements, whereas it should be able to handle any permutation of SWAPs (multiple layers) before the measurements. The user provided a reproduction script. I should start by running that script to confirm the issue. First, I need to locate the `OptimizeSwapBeforeMeasure` class.
TOOL CALL · run_command
{
"command": "grep -rn --include=\"*.py\" \"class OptimizeSwapBeforeMeasure\" qiskit/transpiler"
}Result of run_command 187 characters
{
"status": "ok",
"stdout": "qiskit/transpiler/passes/optimization/optimize_swap_before_measure.py:22:class OptimizeSwapBeforeMeasure(TransformationPass):\n",
"stderr": "",
"exit_code": 0
}Generated tokens 141 tokens · stopped: STOP
<|channel>thought
The user wants to optimize the `OptimizeSwapBeforeMeasure` transpiler pass in Qiskit.
The problem is that `OptimizeSwapBeforeMeasure` only handles one "layer" of SWAP gates before measurements, whereas it should be able to handle any permutation of SWAPs (multiple layers) before the measurements.
The user provided a reproduction script. I should start by running that script to confirm the issue.
First, I need to locate the `OptimizeSwapBeforeMeasure` class.<channel|><|tool_call>call:run_command{command:<|"|>grep -rn --include="*.py" "class OptimizeSwapBeforeMeasure" qiskit/transpiler<|"|>}<tool_call|><|tool_response>
Turn 2at 65 s663 tokens out6,140 prompt tokens
Okay, the class is in `qiskit/transpiler/passes/optimization/optimize_swap_before_measure.py`. Now let's run the reproduction script provided by the user. I'll write it to a file and run it.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nfrom qiskit import QuantumCircuit\nfrom qiskit.transpiler.passes import OptimizeSwapBeforeMeasure, Depth, FixedPoint\nfrom qiskit.transpiler import PassManager\n\ncirc = QuantumCircuit(8, 8)\ncirc.swap(3, 4)\ncirc.swap(6, 7)\ncirc.swap(0, 1)\ncirc.swap(6, 7)\ncirc.swap(4, 5)\ncirc.swap(0, 1)\ncirc.swap(5, 6)\ncirc.swap(3, 4)\ncirc.swap(1, 2)\ncirc.swap(6, 7)\ncirc.swap(4, 5)\ncirc.swap(2, 3)\ncirc.swap(0, 1)\ncirc.swap(5, 6)\ncirc.swap(1, 2)\ncirc.swap(6, 7)\ncirc.swap(4, 5)\ncirc.swap(2, 3)\ncirc.swap(3, 4)\ncirc.swap(3, 4)\ncirc.swap(5, 6)\ncirc.swap(1, 2)\ncirc.swap(4, 5)\ncirc.swap(2, 3)\ncirc.swap(5, 6)\ncirc.measure(range(8), range(8))\nprint(\"Original circuit depth (estimated):\")\n# Using a simple check for number of gates before measure\nprint(circ.count_ops())\n\n# Run with a single OptimizeSwapBeforeMeasure pass\npm = PassManager()\npm.append(OptimizeSwapBeforeMeasure())\nresult = pm.run(circ)\nprint(\"\\nAfter one OptimizeSwapBeforeMeasure pass:\")\nprint(result.count_ops())\n\n# Run with the do_while loop as the user did\n_depth_check = [Depth(), FixedPoint('depth')]\n_opt = [OptimizeSwapBeforeMeasure()]\ndef _opt_control(property_set):\n return not property_set['depth_fixed_point']\n\npm_loop = PassManager()\npm_loop.append(_depth_check + _opt, do_while=_opt_control)\nresult_loop = pm_loop.run(circ)\nprint(\"\\nAfter do_while loop of OptimizeSwapBeforeMeasure pass:\")\nprint(result_loop.count_ops())\n\n# Comparison\nif result.count_ops() == result_loop.count_ops():\n print(\"\\nSUCCESS: One pass was sufficient.\")\nelse:\n print(\"\\nFAILURE: Multiple passes were needed.\")\nPY\n"
}Result of run_command 4,871 characters
{
"status": "error",
"error_type": "CommandError",
"error_message": "/workspace/qiskit/circuit/equivalence.py:18: DeprecationWarning: The retworkx package is deprecated and has been renamed to rustworkx. Rustworkx is a drop-in replacement and can be used by replacing `import retworkx` with import `rustworkx`. \n import retworkx as rx\n/workspace/qiskit/quantum_info/operators/operator.py:424: DeprecationWarning: __array__ implementation doesn't accept a copy keyword, so passing copy=False failed. __array__ must implement 'dtype' and 'copy' keyword arguments. To learn more, see the migration guide https://numpy.org/devdocs/numpy_2_0_migration_guide.html#adapting-to-changes-in-the-copy-keyword\n return Operator(np.array(instruction, dtype=complex))\n/workspace/qiskit/version.py:20: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81.\n import pkg_resources\nTraceback (most recent call last):\n File \"<stdin>\", line 1, in <module>\n File \"/workspace/qiskit/__init__.py\", line 53, in <module>\n from qiskit.execute_function import execute # noqa\n File \"/workspace/qiskit/execute_function.py\", line 24, in <module>\n from qiskit.compiler import transpile, assemble, schedule\n File \"/workspace/qiskit/compiler/__init__.py\", line 34, in <module>\n from .transpiler import transpile\n File \"/workspace/qiskit/compiler/transpiler.py\", line 35, in <module>\n from qiskit.transpiler.passes import ApplyLayout\n File \"/workspace/qiskit/transpiler/passes/__init__.py\", line 126, in <module>\n from .layout import SetLayout\n File \"/workspace/qiskit/transpiler/passes/layout/__init__.py\", line 19, in <module>\n from .sabre_layout import SabreLayout\n File \"/workspace/qiskit/transpiler/passes/layout/sabre_layout.py\", line 24, in <module>\n from qiskit.transpiler.passes.routing import SabreSwap\n File \"/workspace/qiskit/transpiler/passes/routing/__init__.py\", line 18, in <module>\n from .stochastic_swap import StochasticSwap\n File \"/workspace/qiskit/transpiler/passes/routing/stochastic_swap.py\", line 27, in <module>\n from .cython.stochastic_swap.utils import nlayout_from_layout\nModuleNotFoundError: No module named 'qiskit.transpiler.passes.routing.cython.stochastic_swap.utils'\n",
"details": {
"stdout": "",
"stderr": "/workspace/qiskit/circuit/equivalence.py:18: DeprecationWarning: The retworkx package is deprecated and has been renamed to rustworkx. Rustworkx is a drop-in replacement and can be used by replacing `import retworkx` with import `rustworkx`. \n import retworkx as rx\n/workspace/qiskit/quantum_info/operators/operator.py:424: DeprecationWarning: __array__ implementation doesn't accept a copy keyword, so passing copy=False failed. __array__ must implement 'dtype' and 'copy' keyword arguments. To learn more, see the migration guide https://numpy.org/devdocs/numpy_2_0_migration_guide.html#adapting-to-changes-in-the-copy-keyword\n return Operator(np.array(instruction, dtype=complex))\n/workspace/qiskit/version.py:20: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81.\n import pkg_resources\nTraceback (most recent call last):\n File \"<stdin>\", line 1, in <module>\n File \"/workspace/qiskit/__init__.py\", line 53, in <module>\n from qiskit.execute_function import execute # noqa\n File \"/workspace/qiskit/execute_function.py\", line 24, in <module>\n from qiskit.compiler import transpile, assemble, schedule\n File \"/workspace/qiskit/compiler/__init__.py\", line 34, in <module>\n from .transpiler import transpile\n File \"/workspace/qiskit/compiler/transpiler.py\", line 35, in <module>\n from qiskit.transpiler.passes import ApplyLayout\n File \"/workspace/qiskit/transpiler/passes/__init__.py\", line 126, in <module>\n from .layout import SetLayout\n File \"/workspace/qiskit/transpiler/passes/layout/__init__.py\", line 19, in <module>\n from .sabre_layout import SabreLayout\n File \"/workspace/qiskit/transpiler/passes/layout/sabre_layout.py\", line 24, in <module>\n from qiskit.transpiler.passes.routing import SabreSwap\n File \"/workspace/qiskit/transpiler/passes/routing/__init__.py\", line 18, in <module>\n from .stochastic_swap import StochasticSwap\n File \"/workspace/qiskit/transpiler/passes/routing/stochastic_swap.py\", line 27, in <module>\n from .cython.stochastic_swap.utils import nlayout_from_layout\nModuleNotFoundError: No module named 'qiskit.transpiler.passes.routing.cython.stochastic_swap.utils'\n",
"exit_code": 1
}
}Generated tokens 663 tokens · stopped: STOP
Okay, the class is in `qiskit/transpiler/passes/optimization/optimize_swap_before_measure.py`.
Now let's run the reproduction script provided by the user. I'll write it to a file and run it.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
from qiskit import QuantumCircuit
from qiskit.transpiler.passes import OptimizeSwapBeforeMeasure, Depth, FixedPoint
from qiskit.transpiler import PassManager
circ = QuantumCircuit(8, 8)
circ.swap(3, 4)
circ.swap(6, 7)
circ.swap(0, 1)
circ.swap(6, 7)
circ.swap(4, 5)
circ.swap(0, 1)
circ.swap(5, 6)
circ.swap(3, 4)
circ.swap(1, 2)
circ.swap(6, 7)
circ.swap(4, 5)
circ.swap(2, 3)
circ.swap(0, 1)
circ.swap(5, 6)
circ.swap(1, 2)
circ.swap(6, 7)
circ.swap(4, 5)
circ.swap(2, 3)
circ.swap(3, 4)
circ.swap(3, 4)
circ.swap(5, 6)
circ.swap(1, 2)
circ.swap(4, 5)
circ.swap(2, 3)
circ.swap(5, 6)
circ.measure(range(8), range(8))
print("Original circuit depth (estimated):")
# Using a simple check for number of gates before measure
print(circ.count_ops())
# Run with a single OptimizeSwapBeforeMeasure pass
pm = PassManager()
pm.append(OptimizeSwapBeforeMeasure())
result = pm.run(circ)
print("\nAfter one OptimizeSwapBeforeMeasure pass:")
print(result.count_ops())
# Run with the do_while loop as the user did
_depth_check = [Depth(), FixedPoint('depth')]
_opt = [OptimizeSwapBeforeMeasure()]
def _opt_control(property_set):
return not property_set['depth_fixed_point']
pm_loop = PassManager()
pm_loop.append(_depth_check + _opt, do_while=_opt_control)
result_loop = pm_loop.run(circ)
print("\nAfter do_while loop of OptimizeSwapBeforeMeasure pass:")
print(result_loop.count_ops())
# Comparison
if result.count_ops() == result_loop.count_ops():
print("\nSUCCESS: One pass was sufficient.")
else:
print("\nFAILURE: Multiple passes were needed.")
PY
<|"|>}<tool_call|><|tool_response>
Turn 3at 82 s206 tokens out8,346 prompt tokens
It seems there is a `ModuleNotFoundError` for `qiskit.transpiler.passes.routing.cython.stochastic_swap.utils`. This might be because some cython modules are not compiled in the environment. However, I'm only using `OptimizeSwapBeforeMeasure` and `PassManager`. I might be able to avoid importing the problematic modules by importing the components directly from their modules instead of from `qiskit.transpiler.passes` or `qiskit.transpiler`. Actually, `from qiskit.transpiler.passes import OptimizeSwapBeforeMeasure` might be triggering a lot of imports if `qiskit/transpiler/passes/__init__.py` imports everything. Let's check `qiskit/transpiler/passes/__init__.py`.
TOOL CALL · run_command
{
"command": "ls -l qiskit/transpiler/passes/__init__.py"
}Result of run_command 139 characters
{
"status": "ok",
"stdout": "-rw-r--r-- 1 root root 4417 Feb 10 2021 qiskit/transpiler/passes/__init__.py\n",
"stderr": "",
"exit_code": 0
}Generated tokens 206 tokens · stopped: STOP
It seems there is a `ModuleNotFoundError` for `qiskit.transpiler.passes.routing.cython.stochastic_swap.utils`. This might be because some cython modules are not compiled in the environment.
However, I'm only using `OptimizeSwapBeforeMeasure` and `PassManager`. I might be able to avoid importing the problematic modules by importing the components directly from their modules instead of from `qiskit.transpiler.passes` or `qiskit.transpiler`.
Actually, `from qiskit.transpiler.passes import OptimizeSwapBeforeMeasure` might be triggering a lot of imports if `qiskit/transpiler/passes/__init__.py` imports everything.
Let's check `qiskit/transpiler/passes/__init__.py`.<channel|><|tool_call>call:run_command{command:<|"|>ls -l qiskit/transpiler/passes/__init__.py<|"|>}<tool_call|><|tool_response>
Turn 4at 93 s207 tokens out8,630 prompt tokens
I'll try to import `OptimizeSwapBeforeMeasure` directly from its module: `qiskit.transpiler.passes.optimization.optimize_swap_before_measure`. And `PassManager` from `qiskit.transpiler.passmanager` (Wait, let me check where `PassManager` is). Looking at the workspace layout: `./qiskit/compiler/transpiler.py` `./qiskit/transpiler` (it's a directory) Wait, the user's code has: `from qiskit.transpiler.passes import OptimizeSwapBeforeMeasure, Depth, FixedPoint` `from qiskit.transpiler import PassManager` Let's find where `PassManager` is defined.
TOOL CALL · run_command
{
"command": "grep -rn --include=\"*.py\" \"class PassManager\" qiskit/transpiler"
}Result of run_command 185 characters
{
"status": "ok",
"stdout": "qiskit/transpiler/passmanager.py:27:class PassManager:\nqiskit/transpiler/passmanager_config.py:16:class PassManagerConfig:\n",
"stderr": "",
"exit_code": 0
}Generated tokens 207 tokens · stopped: STOP
I'll try to import `OptimizeSwapBeforeMeasure` directly from its module: `qiskit.transpiler.passes.optimization.optimize_swap_before_measure`.
And `PassManager` from `qiskit.transpiler.passmanager` (Wait, let me check where `PassManager` is).
Looking at the workspace layout:
`./qiskit/compiler/transpiler.py`
`./qiskit/transpiler` (it's a directory)
Wait, the user's code has:
`from qiskit.transpiler.passes import OptimizeSwapBeforeMeasure, Depth, FixedPoint`
`from qiskit.transpiler import PassManager`
Let's find where `PassManager` is defined.
<channel|><|tool_call>call:run_command{command:<|"|>grep -rn --include="*.py" "class PassManager" qiskit/transpiler<|"|>}<tool_call|><|tool_response>
Turn 5at 97 s68 tokens out8,919 prompt tokens
And `Depth` and `FixedPoint`?
TOOL CALL · run_command
{
"command": "grep -rn --include=\"*.py\" \"class Depth\" qiskit/transpiler\ngrep -rn --include=\"*.py\" \"class FixedPoint\" qiskit/transpiler"
}Result of run_command 216 characters
{
"status": "ok",
"stdout": "qiskit/transpiler/passes/analysis/depth.py:18:class Depth(AnalysisPass):\nqiskit/transpiler/passes/utils/fixed_point.py:20:class FixedPoint(AnalysisPass):\n",
"stderr": "",
"exit_code": 0
}Generated tokens 68 tokens · stopped: STOP
And `Depth` and `FixedPoint`?
<channel|><|tool_call>call:run_command{command:<|"|>grep -rn --include="*.py" "class Depth" qiskit/transpiler
grep -rn --include="*.py" "class FixedPoint" qiskit/transpiler<|"|>}<tool_call|><|tool_response>
Turn 6at 126 s669 tokens out9,079 prompt tokens
Okay, let's try running the reproduction script again, but importing specifically from the modules to avoids the `__init__.py` mass imports.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nfrom qiskit import QuantumCircuit\nfrom qiskit.transpiler.passes.optimization.optimize_swap_before_measure import OptimizeSwapBeforeMeasure\nfrom qiskit.transpiler.passes.analysis.depth import Depth\nfrom qiskit.transpiler.passes.utils.fixed_point import FixedPoint\nfrom qiskit.transpiler.passmanager import PassManager\n\ncirc = QuantumCircuit(8, 8)\ncirc.swap(3, 4)\ncirc.swap(6, 7)\ncirc.swap(0, 1)\ncirc.swap(6, 7)\ncirc.swap(4, 5)\ncirc.swap(0, 1)\ncirc.swap(5, 6)\ncirc.swap(3, 4)\ncirc.swap(1, 2)\ncirc.swap(6, 7)\ncirc.swap(4, 5)\ncirc.swap(2, 3)\ncirc.swap(0, 1)\ncirc.swap(5, 6)\ncirc.swap(1, 2)\ncirc.swap(6, 7)\ncirc.swap(4, 5)\ncirc.swap(2, 3)\ncirc.swap(3, 4)\ncirc.swap(3, 4)\ncirc.swap(5, 6)\ncirc.swap(1, 2)\ncirc.swap(4, 5)\ncirc.swap(2, 3)\ncirc.swap(5, 6)\ncirc.measure(range(8), range(8))\n\nprint(\"Original circuit gate counts:\")\nprint(circ.count_ops())\n\n# Run with a single OptimizeSwapBeforeMeasure pass\npm = PassManager()\npm.append(OptimizeSwapBeforeMeasure())\nresult = pm.run(circ)\nprint(\"\\nAfter one OptimizeSwapBeforeMeasure pass:\")\nprint(result.count_ops())\n\n# Run with the do_while loop as the user did\n_depth_check = [Depth(), FixedPoint('depth')]\n_opt = [OptimizeSwapBeforeMeasure()]\ndef _opt_control(property_set):\n return not property_set['depth_fixed_point']\n\npm_loop = PassManager()\npm_loop.append(_depth_check + _opt, do_while=_opt_control)\nresult_loop = pm_loop.run(circ)\nprint(\"\\nAfter do_while loop of OptimizeSwapBeforeMeasure pass:\")\nprint(result_loop.count_ops())\n\n# Comparison\nif result.count_ops() == result_loop.count_ops():\n print(\"\\nSUCCESS: One pass was sufficient.\")\nelse:\n print(\"\\nFAILURE: Multiple passes were needed.\")\nPY\n"
}Result of run_command 4,871 characters
{
"status": "error",
"error_type": "CommandError",
"error_message": "/workspace/qiskit/circuit/equivalence.py:18: DeprecationWarning: The retworkx package is deprecated and has been renamed to rustworkx. Rustworkx is a drop-in replacement and can be used by replacing `import retworkx` with import `rustworkx`. \n import retworkx as rx\n/workspace/qiskit/quantum_info/operators/operator.py:424: DeprecationWarning: __array__ implementation doesn't accept a copy keyword, so passing copy=False failed. __array__ must implement 'dtype' and 'copy' keyword arguments. To learn more, see the migration guide https://numpy.org/devdocs/numpy_2_0_migration_guide.html#adapting-to-changes-in-the-copy-keyword\n return Operator(np.array(instruction, dtype=complex))\n/workspace/qiskit/version.py:20: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81.\n import pkg_resources\nTraceback (most recent call last):\n File \"<stdin>\", line 1, in <module>\n File \"/workspace/qiskit/__init__.py\", line 53, in <module>\n from qiskit.execute_function import execute # noqa\n File \"/workspace/qiskit/execute_function.py\", line 24, in <module>\n from qiskit.compiler import transpile, assemble, schedule\n File \"/workspace/qiskit/compiler/__init__.py\", line 34, in <module>\n from .transpiler import transpile\n File \"/workspace/qiskit/compiler/transpiler.py\", line 35, in <module>\n from qiskit.transpiler.passes import ApplyLayout\n File \"/workspace/qiskit/transpiler/passes/__init__.py\", line 126, in <module>\n from .layout import SetLayout\n File \"/workspace/qiskit/transpiler/passes/layout/__init__.py\", line 19, in <module>\n from .sabre_layout import SabreLayout\n File \"/workspace/qiskit/transpiler/passes/layout/sabre_layout.py\", line 24, in <module>\n from qiskit.transpiler.passes.routing import SabreSwap\n File \"/workspace/qiskit/transpiler/passes/routing/__init__.py\", line 18, in <module>\n from .stochastic_swap import StochasticSwap\n File \"/workspace/qiskit/transpiler/passes/routing/stochastic_swap.py\", line 27, in <module>\n from .cython.stochastic_swap.utils import nlayout_from_layout\nModuleNotFoundError: No module named 'qiskit.transpiler.passes.routing.cython.stochastic_swap.utils'\n",
"details": {
"stdout": "",
"stderr": "/workspace/qiskit/circuit/equivalence.py:18: DeprecationWarning: The retworkx package is deprecated and has been renamed to rustworkx. Rustworkx is a drop-in replacement and can be used by replacing `import retworkx` with import `rustworkx`. \n import retworkx as rx\n/workspace/qiskit/quantum_info/operators/operator.py:424: DeprecationWarning: __array__ implementation doesn't accept a copy keyword, so passing copy=False failed. __array__ must implement 'dtype' and 'copy' keyword arguments. To learn more, see the migration guide https://numpy.org/devdocs/numpy_2_0_migration_guide.html#adapting-to-changes-in-the-copy-keyword\n return Operator(np.array(instruction, dtype=complex))\n/workspace/qiskit/version.py:20: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81.\n import pkg_resources\nTraceback (most recent call last):\n File \"<stdin>\", line 1, in <module>\n File \"/workspace/qiskit/__init__.py\", line 53, in <module>\n from qiskit.execute_function import execute # noqa\n File \"/workspace/qiskit/execute_function.py\", line 24, in <module>\n from qiskit.compiler import transpile, assemble, schedule\n File \"/workspace/qiskit/compiler/__init__.py\", line 34, in <module>\n from .transpiler import transpile\n File \"/workspace/qiskit/compiler/transpiler.py\", line 35, in <module>\n from qiskit.transpiler.passes import ApplyLayout\n File \"/workspace/qiskit/transpiler/passes/__init__.py\", line 126, in <module>\n from .layout import SetLayout\n File \"/workspace/qiskit/transpiler/passes/layout/__init__.py\", line 19, in <module>\n from .sabre_layout import SabreLayout\n File \"/workspace/qiskit/transpiler/passes/layout/sabre_layout.py\", line 24, in <module>\n from qiskit.transpiler.passes.routing import SabreSwap\n File \"/workspace/qiskit/transpiler/passes/routing/__init__.py\", line 18, in <module>\n from .stochastic_swap import StochasticSwap\n File \"/workspace/qiskit/transpiler/passes/routing/stochastic_swap.py\", line 27, in <module>\n from .cython.stochastic_swap.utils import nlayout_from_layout\nModuleNotFoundError: No module named 'qiskit.transpiler.passes.routing.cython.stochastic_swap.utils'\n",
"exit_code": 1
}
}Generated tokens 669 tokens · stopped: STOP
Okay, let's try running the reproduction script again, but importing specifically from the modules to avoids the `__init__.py` mass imports.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
from qiskit import QuantumCircuit
from qiskit.transpiler.passes.optimization.optimize_swap_before_measure import OptimizeSwapBeforeMeasure
from qiskit.transpiler.passes.analysis.depth import Depth
from qiskit.transpiler.passes.utils.fixed_point import FixedPoint
from qiskit.transpiler.passmanager import PassManager
circ = QuantumCircuit(8, 8)
circ.swap(3, 4)
circ.swap(6, 7)
circ.swap(0, 1)
circ.swap(6, 7)
circ.swap(4, 5)
circ.swap(0, 1)
circ.swap(5, 6)
circ.swap(3, 4)
circ.swap(1, 2)
circ.swap(6, 7)
circ.swap(4, 5)
circ.swap(2, 3)
circ.swap(0, 1)
circ.swap(5, 6)
circ.swap(1, 2)
circ.swap(6, 7)
circ.swap(4, 5)
circ.swap(2, 3)
circ.swap(3, 4)
circ.swap(3, 4)
circ.swap(5, 6)
circ.swap(1, 2)
circ.swap(4, 5)
circ.swap(2, 3)
circ.swap(5, 6)
circ.measure(range(8), range(8))
print("Original circuit gate counts:")
print(circ.count_ops())
# Run with a single OptimizeSwapBeforeMeasure pass
pm = PassManager()
pm.append(OptimizeSwapBeforeMeasure())
result = pm.run(circ)
print("\nAfter one OptimizeSwapBeforeMeasure pass:")
print(result.count_ops())
# Run with the do_while loop as the user did
_depth_check = [Depth(), FixedPoint('depth')]
_opt = [OptimizeSwapBeforeMeasure()]
def _opt_control(property_set):
return not property_set['depth_fixed_point']
pm_loop = PassManager()
pm_loop.append(_depth_check + _opt, do_while=_opt_control)
result_loop = pm_loop.run(circ)
print("\nAfter do_while loop of OptimizeSwapBeforeMeasure pass:")
print(result_loop.count_ops())
# Comparison
if result.count_ops() == result_loop.count_ops():
print("\nSUCCESS: One pass was sufficient.")
else:
print("\nFAILURE: Multiple passes were needed.")
PY
<|"|>}<tool_call|><|tool_response>
Turn 7at 162 s772 tokens out11,291 prompt tokens
The error persists because `from qiskit import QuantumCircuit` likely triggers `import qiskit`, which triggers `import qiskit.execute_function`, which triggers `import qiskit.compiler`, which triggers `import qiskit.transpiler.passes`, and so on. I need to find a way to import `QuantumCircuit` and the pass without triggering the broken `stochastic_swap` import. Let's see how `QuantumCircuit` is imported. `qiskit/circuit/quantumcircuit.py` defines it. Let's try to import only what is absolutely necessary.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nfrom qiskit.circuit import QuantumCircuit\nfrom qiskit.transpiler.passes.optimization.optimize_swap_before_measure import OptimizeSwapBeforeMeasure\nfrom qiskit.transpiler.passes.analysis.depth import Depth\nfrom qiskit.transpiler.passes.utils.fixed_point import FixedPoint\nfrom qiskit.transpiler.passmanager import PassManager\n\ncirc = QuantumCircuit(8, 8)\ncirc.swap(3, 4)\ncirc.swap(6, 7)\ncirc.swap(0, 1)\ncirc.swap(6, 7)\ncirc.swap(4, 5)\ncirc.swap(0, 1)\ncirc.swap(5, 6)\ncirc.swap(3, 4)\ncirc.swap(1, 2)\ncirc.swap(6, 7)\ncirc.swap(4, 5)\ncirc.swap(2, 3)\ncirc.swap(0, 1)\ncirc.swap(5, 6)\ncirc.swap(1, 2)\ncirc.swap(6, 7)\ncirc.swap(4, 5)\ncirc.swap(2, 3)\ncirc.swap(3, 4)\ncirc.swap(3, 4)\ncirc.swap(5, 6)\ncirc.swap(1, 2)\ncirc.swap(4, 5)\ncirc.swap(2, 3)\ncirc.swap(5, 6)\ncirc.measure(range(8), range(8))\n\nprint(\"Original circuit gate counts:\")\nprint(circ.count_ops())\n\n# Run with a single OptimizeSwapBeforeMeasure pass\npm = PassManager()\npm.append(OptimizeSwapBeforeMeasure())\nresult = pm.run(circ)\nprint(\"\\nAfter one OptimizeSwapBeforeMeasure pass:\")\nprint(result.count_ops())\n\n# Run with the do_while loop as the user did\n_depth_check = [Depth(), FixedPoint('depth')]\n_opt = [OptimizeSwapBeforeMeasure()]\ndef _opt_control(property_set):\n return not property_set['depth_fixed_point']\n\npm_loop = PassManager()\npm_loop.append(_depth_check + _opt, do_while=_opt_control)\nresult_loop = pm_loop.run(circ)\nprint(\"\\nAfter do_while loop of OptimizeSwapBeforeMeasure pass:\")\nprint(result_loop.count_ops())\n\n# Comparison\nif result.count_ops() == result_loop.count_ops():\n print(\"\\nSUCCESS: One pass was sufficient.\")\nelse:\n print(\"\\nFAILURE: Multiple passes were needed.\")\nPY\n"
}Result of run_command 4,871 characters
{
"status": "error",
"error_type": "CommandError",
"error_message": "/workspace/qiskit/circuit/equivalence.py:18: DeprecationWarning: The retworkx package is deprecated and has been renamed to rustworkx. Rustworkx is a drop-in replacement and can be used by replacing `import retworkx` with import `rustworkx`. \n import retworkx as rx\n/workspace/qiskit/quantum_info/operators/operator.py:424: DeprecationWarning: __array__ implementation doesn't accept a copy keyword, so passing copy=False failed. __array__ must implement 'dtype' and 'copy' keyword arguments. To learn more, see the migration guide https://numpy.org/devdocs/numpy_2_0_migration_guide.html#adapting-to-changes-in-the-copy-keyword\n return Operator(np.array(instruction, dtype=complex))\n/workspace/qiskit/version.py:20: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81.\n import pkg_resources\nTraceback (most recent call last):\n File \"<stdin>\", line 1, in <module>\n File \"/workspace/qiskit/__init__.py\", line 53, in <module>\n from qiskit.execute_function import execute # noqa\n File \"/workspace/qiskit/execute_function.py\", line 24, in <module>\n from qiskit.compiler import transpile, assemble, schedule\n File \"/workspace/qiskit/compiler/__init__.py\", line 34, in <module>\n from .transpiler import transpile\n File \"/workspace/qiskit/compiler/transpiler.py\", line 35, in <module>\n from qiskit.transpiler.passes import ApplyLayout\n File \"/workspace/qiskit/transpiler/passes/__init__.py\", line 126, in <module>\n from .layout import SetLayout\n File \"/workspace/qiskit/transpiler/passes/layout/__init__.py\", line 19, in <module>\n from .sabre_layout import SabreLayout\n File \"/workspace/qiskit/transpiler/passes/layout/sabre_layout.py\", line 24, in <module>\n from qiskit.transpiler.passes.routing import SabreSwap\n File \"/workspace/qiskit/transpiler/passes/routing/__init__.py\", line 18, in <module>\n from .stochastic_swap import StochasticSwap\n File \"/workspace/qiskit/transpiler/passes/routing/stochastic_swap.py\", line 27, in <module>\n from .cython.stochastic_swap.utils import nlayout_from_layout\nModuleNotFoundError: No module named 'qiskit.transpiler.passes.routing.cython.stochastic_swap.utils'\n",
"details": {
"stdout": "",
"stderr": "/workspace/qiskit/circuit/equivalence.py:18: DeprecationWarning: The retworkx package is deprecated and has been renamed to rustworkx. Rustworkx is a drop-in replacement and can be used by replacing `import retworkx` with import `rustworkx`. \n import retworkx as rx\n/workspace/qiskit/quantum_info/operators/operator.py:424: DeprecationWarning: __array__ implementation doesn't accept a copy keyword, so passing copy=False failed. __array__ must implement 'dtype' and 'copy' keyword arguments. To learn more, see the migration guide https://numpy.org/devdocs/numpy_2_0_migration_guide.html#adapting-to-changes-in-the-copy-keyword\n return Operator(np.array(instruction, dtype=complex))\n/workspace/qiskit/version.py:20: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81.\n import pkg_resources\nTraceback (most recent call last):\n File \"<stdin>\", line 1, in <module>\n File \"/workspace/qiskit/__init__.py\", line 53, in <module>\n from qiskit.execute_function import execute # noqa\n File \"/workspace/qiskit/execute_function.py\", line 24, in <module>\n from qiskit.compiler import transpile, assemble, schedule\n File \"/workspace/qiskit/compiler/__init__.py\", line 34, in <module>\n from .transpiler import transpile\n File \"/workspace/qiskit/compiler/transpiler.py\", line 35, in <module>\n from qiskit.transpiler.passes import ApplyLayout\n File \"/workspace/qiskit/transpiler/passes/__init__.py\", line 126, in <module>\n from .layout import SetLayout\n File \"/workspace/qiskit/transpiler/passes/layout/__init__.py\", line 19, in <module>\n from .sabre_layout import SabreLayout\n File \"/workspace/qiskit/transpiler/passes/layout/sabre_layout.py\", line 24, in <module>\n from qiskit.transpiler.passes.routing import SabreSwap\n File \"/workspace/qiskit/transpiler/passes/routing/__init__.py\", line 18, in <module>\n from .stochastic_swap import StochasticSwap\n File \"/workspace/qiskit/transpiler/passes/routing/stochastic_swap.py\", line 27, in <module>\n from .cython.stochastic_swap.utils import nlayout_from_layout\nModuleNotFoundError: No module named 'qiskit.transpiler.passes.routing.cython.stochastic_swap.utils'\n",
"exit_code": 1
}
}Generated tokens 772 tokens · stopped: STOP
The error persists because `from qiskit import QuantumCircuit` likely triggers `import qiskit`, which triggers `import qiskit.execute_function`, which triggers `import qiskit.compiler`, which triggers `import qiskit.transpiler.passes`, and so on.
I need to find a way to import `QuantumCircuit` and the pass without triggering the broken `stochastic_swap` import.
Let's see how `QuantumCircuit` is imported.
`qiskit/circuit/quantumcircuit.py` defines it.
Let's try to import only what is absolutely necessary.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
from qiskit.circuit import QuantumCircuit
from qiskit.transpiler.passes.optimization.optimize_swap_before_measure import OptimizeSwapBeforeMeasure
from qiskit.transpiler.passes.analysis.depth import Depth
from qiskit.transpiler.passes.utils.fixed_point import FixedPoint
from qiskit.transpiler.passmanager import PassManager
circ = QuantumCircuit(8, 8)
circ.swap(3, 4)
circ.swap(6, 7)
circ.swap(0, 1)
circ.swap(6, 7)
circ.swap(4, 5)
circ.swap(0, 1)
circ.swap(5, 6)
circ.swap(3, 4)
circ.swap(1, 2)
circ.swap(6, 7)
circ.swap(4, 5)
circ.swap(2, 3)
circ.swap(0, 1)
circ.swap(5, 6)
circ.swap(1, 2)
circ.swap(6, 7)
circ.swap(4, 5)
circ.swap(2, 3)
circ.swap(3, 4)
circ.swap(3, 4)
circ.swap(5, 6)
circ.swap(1, 2)
circ.swap(4, 5)
circ.swap(2, 3)
circ.swap(5, 6)
circ.measure(range(8), range(8))
print("Original circuit gate counts:")
print(circ.count_ops())
# Run with a single OptimizeSwapBeforeMeasure pass
pm = PassManager()
pm.append(OptimizeSwapBeforeMeasure())
result = pm.run(circ)
print("\nAfter one OptimizeSwapBeforeMeasure pass:")
print(result.count_ops())
# Run with the do_while loop as the user did
_depth_check = [Depth(), FixedPoint('depth')]
_opt = [OptimizeSwapBeforeMeasure()]
def _opt_control(property_set):
return not property_set['depth_fixed_point']
pm_loop = PassManager()
pm_loop.append(_depth_check + _opt, do_while=_opt_control)
result_loop = pm_loop.run(circ)
print("\nAfter do_while loop of OptimizeSwapBeforeMeasure pass:")
print(result_loop.count_ops())
# Comparison
if result.count_ops() == result_loop.count_ops():
print("\nSUCCESS: One pass was sufficient.")
else:
print("\nFAILURE: Multiple passes were needed.")
PY
<|"|>}<tool_call|><|tool_response>
Turn 8at 174 s173 tokens out13,606 prompt tokens
Wait, why is `from qiskit.circuit import QuantumCircuit` triggering `import qiskit`? In Python, if you have a package `qiskit` and you import `qiskit.circuit`, it should not necessarily execute `qiskit/__init__.py` unless `qiskit/circuit/__init__.py` or something it imports does. Actually, when you import `qiskit.circuit`, Python first loads the `qiskit` package, which means it executes `qiskit/__init__.py`. And `qiskit/__init__.py` seems to be doing a lot of things. Let's check `qiskit/__init__.py`.
TOOL CALL · read_file
{
"filepath": "qiskit/__init__.py"
}Result of read_file 4,296 characters
{
"status": "ok",
"filepath": "qiskit/__init__.py",
"content": "# This code is part of Qiskit.\n#\n# (C) Copyright IBM 2017.\n#\n# This code is licensed under the Apache License, Version 2.0. You may\n# obtain a copy of this license in the LICENSE.txt file in the root directory\n# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.\n#\n# Any modifications or derivative works of this code must retain this\n# copyright notice, and modified files need to carry a notice indicating\n# that they have been altered from the originals.\n\n# pylint: disable=wrong-import-order,invalid-name,wrong-import-position\n\n\n\"\"\"Main Qiskit public functionality.\"\"\"\n\nimport pkgutil\nimport sys\nimport warnings\nimport os\n\n# qiskit errors operator\nfrom qiskit.exceptions import QiskitError\n\n# The main qiskit operators\nfrom qiskit.circuit import ClassicalRegister\nfrom qiskit.circuit import QuantumRegister\nfrom qiskit.circuit import AncillaRegister\nfrom qiskit.circuit import QuantumCircuit\n\n# user config\nfrom qiskit import user_config as _user_config\n\n# The qiskit.extensions.x imports needs to be placed here due to the\n# mechanism for adding gates dynamically.\nimport qiskit.extensions\nimport qiskit.circuit.measure\nimport qiskit.circuit.reset\n\n# Allow extending this namespace. Please note that currently this line needs\n# to be placed *before* the wrapper imports or any non-import code AND *before*\n# importing the package you want to allow extensions for (in this case `backends`).\n__path__ = pkgutil.extend_path(__path__, __name__)\n\n# Please note these are global instances, not modules.\nfrom qiskit.providers.basicaer import BasicAer\n\n_config = _user_config.get_config()\n\n# Moved to after IBMQ and Aer imports due to import issues\n# with other modules that check for IBMQ (tools)\nfrom qiskit.execute_function import execute # noqa\nfrom qiskit.compiler import transpile, assemble, schedule, sequence # noqa\n\nfrom .version import __version__ # noqa\nfrom .version import QiskitVersion # noqa\n\n\n__qiskit_version__ = QiskitVersion()\n\n\nif sys.version_info[0] == 3 and sys.version_info[1] == 6:\n warnings.warn(\n \"Using Qiskit with Python 3.6 is deprecated as of the 0.17.0 release. \"\n \"Support for running Qiskit with Python 3.6 will be removed in a \"\n \"future release.\", DeprecationWarning)\n\n\nclass AerWrapper:\n \"\"\"Lazy loading wrapper for Aer provider.\"\"\"\n\n def __init__(self):\n self.aer = None\n\n def __bool__(self):\n if self.aer is None:\n try:\n from qiskit.providers import aer\n self.aer = aer.Aer\n except ImportError:\n return False\n return True\n\n def __getattr__(self, attr):\n if not self.aer:\n try:\n from qiskit.providers import aer\n self.aer = aer.Aer\n except ImportError as exc:\n raise ImportError('Could not import the Aer provider from the '\n 'qiskit-aer package. Install qiskit-aer or '\n 'check your installation.') from exc\n return getattr(self.aer, attr)\n\n\nclass IBMQWrapper:\n \"\"\"Lazy loading wraooer for IBMQ provider.\"\"\"\n\n def __init__(self):\n self.ibmq = None\n\n def __bool__(self):\n if self.ibmq is None:\n try:\n from qiskit.providers import ibmq\n self.ibmq = ibmq.IBMQ\n except ImportError:\n return False\n return True\n\n def __getattr__(self, attr):\n if not self.ibmq:\n try:\n from qiskit.providers import ibmq\n self.ibmq = ibmq.IBMQ\n except ImportError as exc:\n raise ImportError('Could not import the IBMQ provider from the '\n 'qiskit-ibmq-provider package. Install '\n 'qiskit-ibmq-provider or check your '\n 'installation.') from exc\n return getattr(self.ibmq, attr)\n\n\nAer = AerWrapper()\nIBMQ = IBMQWrapper()",
"start_line": 1,
"end_line": 126,
"total_lines": 126,
"is_truncated": false
}Generated tokens 173 tokens · stopped: STOP
Wait, why is `from qiskit.circuit import QuantumCircuit` triggering `import qiskit`?
In Python, if you have a package `qiskit` and you import `qiskit.circuit`, it should not necessarily execute `qiskit/__init__.py` unless `qiskit/circuit/__init__.py` or something it imports does.
Actually, when you import `qiskit.circuit`, Python first loads the `qiskit` package, which means it executes `qiskit/__init__.py`.
And `qiskit/__init__.py` seems to be doing a lot of things.
Let's check `qiskit/__init__.py`.
<channel|><|tool_call>call:read_file{filepath:<|"|>qiskit/__init__.py<|"|>}<tool_call|><|tool_response>
Turn 9at 219 s902 tokens out14,994 prompt tokens
Yes, `qiskit/__init__.py` imports `execute_function`, `compiler`, etc. I should avoid `from qiskit import ...` or `import qiskit`. I should try to import directly from the submodules and hope that they don't import `qiskit`. Actually, `from qiskit.circuit import QuantumCircuit` should work if I avoid importing `qiskit` package. But Python's import system will still execute the `__init__.py` of the parent package. Wait, the issue might be that `qiskit` is installed in the environment, but since I'm in `/workspace` and it's a source tree, it might be using the source tree. If I want to avoid the `__init__.py` of `qiskit`, I can potentially add `qiskit`'s directory to `sys.path` and import from there, but that's messy. Let's try to see if I can just mock the missing module.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nimport sys\nfrom unittest.mock import MagicMock\nsys.modules['qiskit.transpiler.passes.routing.cython.stochastic_swap.utils'] = MagicMock()\n\nfrom qiskit.circuit import QuantumCircuit\nfrom qiskit.transpiler.passes.optimization.optimize_swap_before_measure import OptimizeSwapBeforeMeasure\nfrom qiskit.transpiler.passes.analysis.depth import Depth\nfrom qiskit.transpiler.passes.utils.fixed_point import FixedPoint\nfrom qiskit.transpiler.passmanager import PassManager\n\ncirc = QuantumCircuit(8, 8)\ncirc.swap(3, 4)\ncirc.swap(6, 7)\ncirc.swap(0, 1)\ncirc.swap(6, 7)\ncirc.swap(4, 5)\ncirc.swap(0, 1)\ncirc.swap(5, 6)\ncirc.swap(3, 4)\ncirc.swap(1, 2)\ncirc.swap(6, 7)\ncirc.swap(4, 5)\ncirc.swap(2, 3)\ncirc.swap(0, 1)\ncirc.swap(5, 6)\ncirc.swap(1, 2)\ncirc.swap(6, 7)\ncirc.swap(4, 5)\ncirc.swap(2, 3)\ncirc.swap(3, 4)\ncirc.swap(3, 4)\ncirc.swap(5, 6)\ncirc.swap(1, 2)\ncirc.swap(4, 5)\ncirc.swap(2, 3)\ncirc.swap(5, 6)\ncirc.measure(range(8), range(8))\n\nprint(\"Original circuit gate counts:\")\nprint(circ.count_ops())\n\n# Run with a single OptimizeSwapBeforeMeasure pass\npm = PassManager()\npm.append(OptimizeSwapBeforeMeasure())\nresult = pm.run(circ)\nprint(\"\\nAfter one OptimizeSwapBeforeMeasure pass:\")\nprint(result.count_ops())\n\n# Run with the do_while loop as the user did\n_depth_check = [Depth(), FixedPoint('depth')]\n_opt = [OptimizeSwapBeforeMeasure()]\ndef _opt_control(property_set):\n return not property_set['depth_fixed_point']\n\npm_loop = PassManager()\npm_loop.append(_depth_check + _opt, do_while=_opt_control)\nresult_loop = pm_loop.run(circ)\nprint(\"\\nAfter do_while loop of OptimizeSwapBeforeMeasure pass:\")\nprint(result_loop.count_ops())\n\n# Comparison\nif result.count_ops() == result_loop.count_ops():\n print(\"\\nSUCCESS: One pass was sufficient.\")\nelse:\n print(\"\\nFAILURE: Multiple passes were needed.\")\nPY\n"
}Result of run_command 4,873 characters
{
"status": "error",
"error_type": "CommandError",
"error_message": "/workspace/qiskit/circuit/equivalence.py:18: DeprecationWarning: The retworkx package is deprecated and has been renamed to rustworkx. Rustworkx is a drop-in replacement and can be used by replacing `import retworkx` with import `rustworkx`. \n import retworkx as rx\n/workspace/qiskit/quantum_info/operators/operator.py:424: DeprecationWarning: __array__ implementation doesn't accept a copy keyword, so passing copy=False failed. __array__ must implement 'dtype' and 'copy' keyword arguments. To learn more, see the migration guide https://numpy.org/devdocs/numpy_2_0_migration_guide.html#adapting-to-changes-in-the-copy-keyword\n return Operator(np.array(instruction, dtype=complex))\n/workspace/qiskit/version.py:20: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81.\n import pkg_resources\nTraceback (most recent call last):\n File \"<stdin>\", line 5, in <module>\n File \"/workspace/qiskit/__init__.py\", line 53, in <module>\n from qiskit.execute_function import execute # noqa\n File \"/workspace/qiskit/execute_function.py\", line 24, in <module>\n from qiskit.compiler import transpile, assemble, schedule\n File \"/workspace/qiskit/compiler/__init__.py\", line 34, in <module>\n from .transpiler import transpile\n File \"/workspace/qiskit/compiler/transpiler.py\", line 35, in <module>\n from qiskit.transpiler.passes import ApplyLayout\n File \"/workspace/qiskit/transpiler/passes/__init__.py\", line 126, in <module>\n from .layout import SetLayout\n File \"/workspace/qiskit/transpiler/passes/layout/__init__.py\", line 19, in <module>\n from .sabre_layout import SabreLayout\n File \"/workspace/qiskit/transpiler/passes/layout/sabre_layout.py\", line 24, in <module>\n from qiskit.transpiler.passes.routing import SabreSwap\n File \"/workspace/qiskit/transpiler/passes/routing/__init__.py\", line 18, in <module>\n from .stochastic_swap import StochasticSwap\n File \"/workspace/qiskit/transpiler/passes/routing/stochastic_swap.py\", line 29, in <module>\n from .cython.stochastic_swap.swap_trial import swap_trial\nModuleNotFoundError: No module named 'qiskit.transpiler.passes.routing.cython.stochastic_swap.swap_trial'\n",
"details": {
"stdout": "",
"stderr": "/workspace/qiskit/circuit/equivalence.py:18: DeprecationWarning: The retworkx package is deprecated and has been renamed to rustworkx. Rustworkx is a drop-in replacement and can be used by replacing `import retworkx` with import `rustworkx`. \n import retworkx as rx\n/workspace/qiskit/quantum_info/operators/operator.py:424: DeprecationWarning: __array__ implementation doesn't accept a copy keyword, so passing copy=False failed. __array__ must implement 'dtype' and 'copy' keyword arguments. To learn more, see the migration guide https://numpy.org/devdocs/numpy_2_0_migration_guide.html#adapting-to-changes-in-the-copy-keyword\n return Operator(np.array(instruction, dtype=complex))\n/workspace/qiskit/version.py:20: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81.\n import pkg_resources\nTraceback (most recent call last):\n File \"<stdin>\", line 5, in <module>\n File \"/workspace/qiskit/__init__.py\", line 53, in <module>\n from qiskit.execute_function import execute # noqa\n File \"/workspace/qiskit/execute_function.py\", line 24, in <module>\n from qiskit.compiler import transpile, assemble, schedule\n File \"/workspace/qiskit/compiler/__init__.py\", line 34, in <module>\n from .transpiler import transpile\n File \"/workspace/qiskit/compiler/transpiler.py\", line 35, in <module>\n from qiskit.transpiler.passes import ApplyLayout\n File \"/workspace/qiskit/transpiler/passes/__init__.py\", line 126, in <module>\n from .layout import SetLayout\n File \"/workspace/qiskit/transpiler/passes/layout/__init__.py\", line 19, in <module>\n from .sabre_layout import SabreLayout\n File \"/workspace/qiskit/transpiler/passes/layout/sabre_layout.py\", line 24, in <module>\n from qiskit.transpiler.passes.routing import SabreSwap\n File \"/workspace/qiskit/transpiler/passes/routing/__init__.py\", line 18, in <module>\n from .stochastic_swap import StochasticSwap\n File \"/workspace/qiskit/transpiler/passes/routing/stochastic_swap.py\", line 29, in <module>\n from .cython.stochastic_swap.swap_trial import swap_trial\nModuleNotFoundError: No module named 'qiskit.transpiler.passes.routing.cython.stochastic_swap.swap_trial'\n",
"exit_code": 1
}
}Generated tokens 902 tokens · stopped: STOP
Yes, `qiskit/__init__.py` imports `execute_function`, `compiler`, etc.
I should avoid `from qiskit import ...` or `import qiskit`. I should try to import directly from the submodules and hope that they don't import `qiskit`.
Actually, `from qiskit.circuit import QuantumCircuit` should work if I avoid importing `qiskit` package. But Python's import system will still execute the `__init__.py` of the parent package.
Wait, the issue might be that `qiskit` is installed in the environment, but since I'm in `/workspace` and it's a source tree, it might be using the source tree.
If I want to avoid the `__init__.py` of `qiskit`, I can potentially add `qiskit`'s directory to `sys.path` and import from there, but that's messy.
Let's try to see if I can just mock the missing module.<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
import sys
from unittest.mock import MagicMock
sys.modules['qiskit.transpiler.passes.routing.cython.stochastic_swap.utils'] = MagicMock()
from qiskit.circuit import QuantumCircuit
from qiskit.transpiler.passes.optimization.optimize_swap_before_measure import OptimizeSwapBeforeMeasure
from qiskit.transpiler.passes.analysis.depth import Depth
from qiskit.transpiler.passes.utils.fixed_point import FixedPoint
from qiskit.transpiler.passmanager import PassManager
circ = QuantumCircuit(8, 8)
circ.swap(3, 4)
circ.swap(6, 7)
circ.swap(0, 1)
circ.swap(6, 7)
circ.swap(4, 5)
circ.swap(0, 1)
circ.swap(5, 6)
circ.swap(3, 4)
circ.swap(1, 2)
circ.swap(6, 7)
circ.swap(4, 5)
circ.swap(2, 3)
circ.swap(0, 1)
circ.swap(5, 6)
circ.swap(1, 2)
circ.swap(6, 7)
circ.swap(4, 5)
circ.swap(2, 3)
circ.swap(3, 4)
circ.swap(3, 4)
circ.swap(5, 6)
circ.swap(1, 2)
circ.swap(4, 5)
circ.swap(2, 3)
circ.swap(5, 6)
circ.measure(range(8), range(8))
print("Original circuit gate counts:")
print(circ.count_ops())
# Run with a single OptimizeSwapBeforeMeasure pass
pm = PassManager()
pm.append(OptimizeSwapBeforeMeasure())
result = pm.run(circ)
print("\nAfter one OptimizeSwapBeforeMeasure pass:")
print(result.count_ops())
# Run with the do_while loop as the user did
_depth_check = [Depth(), FixedPoint('depth')]
_opt = [OptimizeSwapBeforeMeasure()]
def _opt_control(property_set):
return not property_set['depth_fixed_point']
pm_loop = PassManager()
pm_loop.append(_depth_check + _opt, do_while=_opt_control)
result_loop = pm_loop.run(circ)
print("\nAfter do_while loop of OptimizeSwapBeforeMeasure pass:")
print(result_loop.count_ops())
# Comparison
if result.count_ops() == result_loop.count_ops():
print("\nSUCCESS: One pass was sufficient.")
else:
print("\nFAILURE: Multiple passes were needed.")
PY
<|"|>}<tool_call|><|tool_response>
Turn 10at 318 s840 tokens out8,566 prompt tokens
It seems that `qiskit.transpiler.passes.routing.stochastic_swap` imports several things from `.cython.stochastic_swap`. I can try to mock the entire `qiskit.transpiler.passes.routing.cython.stochastic_swap` module.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nimport sys\nfrom unittest.mock import MagicMock\n\n# Mock the entire Cython-dependent module\nmock_stochastic_swap = MagicMock()\nsys.modules['qiskit.transpiler.passes.routing.cython.stochastic_swap'] = mock_stochastic_swap\nsys.modules['qiskit.transpiler.passes.routing.cython.stochastic_swap.utils'] = mock_stochastic_swap\nsys.modules['qiskit.transpiler.passes.routing.cython.stochastic_swap.swap_trial'] = mock_stochastic_swap\n\nfrom qiskit.circuit import QuantumCircuit\nfrom qiskit.transpiler.passes.optimization.optimize_swap_before_measure import OptimizeSwapBeforeMeasure\nfrom qiskit.transpiler.passes.analysis.depth import Depth\nfrom qiskit.transpiler.passes.utils.fixed_point import FixedPoint\nfrom qiskit.transpiler.passmanager import PassManager\n\ncirc = QuantumCircuit(8, 8)\ncirc.swap(3, 4)\ncirc.swap(6, 7)\ncirc.swap(0, 1)\ncirc.swap(6, 7)\ncirc.swap(4, 5)\ncirc.swap(0, 1)\ncirc.swap(5, 6)\ncirc.swap(3, 4)\ncirc.swap(1, 2)\ncirc.swap(6, 7)\ncirc.swap(4, 5)\ncirc.swap(2, 3)\ncirc.swap(0, 1)\ncirc.swap(5, 6)\ncirc.swap(1, 2)\ncirc.swap(6, 7)\ncirc.swap(4, 5)\ncirc.swap(2, 3)\ncirc.swap(3, 4)\ncirc.swap(3, 4)\ncirc.swap(5, 6)\ncirc.swap(1, 2)\ncirc.swap(4, 5)\ncirc.swap(2, 3)\ncirc.swap(5, 6)\ncirc.measure(range(8), range(8))\n\nprint(\"Original circuit gate counts:\")\nprint(circ.count_ops())\n\n# Run with a single OptimizeSwapBeforeMeasure pass\npm = PassManager()\npm.append(OptimizeSwapBeforeMeasure())\nresult = pm.run(circ)\nprint(\"\\nAfter one OptimizeSwapBeforeMeasure pass:\")\nprint(result.count_ops())\n\n# Run with the do_while loop as the user did\n_depth_check = [Depth(), FixedPoint('depth')]\n_opt = [OptimizeSwapBeforeMeasure()]\ndef _opt_control(property_set):\n return not property_set['depth_fixed_point']\n\npm_loop = PassManager()\npm_loop.append(_depth_check + _opt, do_while=_opt_control)\nresult_loop = pm_loop.run(circ)\nprint(\"\\nAfter do_while loop of OptimizeSwapBeforeMeasure pass:\")\nprint(result_loop.count_ops())\n\n# Comparison\nif result.count_ops() == result_loop.count_ops():\n print(\"\\nSUCCESS: One pass was sufficient.\")\nelse:\n print(\"\\nFAILURE: Multiple passes were needed.\")\nPY\n"
}Result of run_command 1,346 characters
{
"status": "ok",
"stdout": "Original circuit gate counts:\nOrderedDict([('swap', 25), ('measure', 8)])\n\nAfter one OptimizeSwapBeforeMeasure pass:\nOrderedDict([('swap', 23), ('measure', 8)])\n\nAfter do_while loop of OptimizeSwapBeforeMeasure pass:\nOrderedDict([('measure', 8)])\n\nFAILURE: Multiple passes were needed.\n",
"stderr": "/workspace/qiskit/circuit/equivalence.py:18: DeprecationWarning: The retworkx package is deprecated and has been renamed to rustworkx. Rustworkx is a drop-in replacement and can be used by replacing `import retworkx` with import `rustworkx`. \n import retworkx as rx\n/workspace/qiskit/quantum_info/operators/operator.py:424: DeprecationWarning: __array__ implementation doesn't accept a copy keyword, so passing copy=False failed. __array__ must implement 'dtype' and 'copy' keyword arguments. To learn more, see the migration guide https://numpy.org/devdocs/numpy_2_0_migration_guide.html#adapting-to-changes-in-the-copy-keyword\n return Operator(np.array(instruction, dtype=complex))\n/workspace/qiskit/version.py:20: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81.\n import pkg_resources\n",
"exit_code": 0
}Generated tokens 840 tokens · stopped: STOP
It seems that `qiskit.transpiler.passes.routing.stochastic_swap` imports several things from `.cython.stochastic_swap`.
I can try to mock the entire `qiskit.transpiler.passes.routing.cython.stochastic_swap` module.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
import sys
from unittest.mock import MagicMock
# Mock the entire Cython-dependent module
mock_stochastic_swap = MagicMock()
sys.modules['qiskit.transpiler.passes.routing.cython.stochastic_swap'] = mock_stochastic_swap
sys.modules['qiskit.transpiler.passes.routing.cython.stochastic_swap.utils'] = mock_stochastic_swap
sys.modules['qiskit.transpiler.passes.routing.cython.stochastic_swap.swap_trial'] = mock_stochastic_swap
from qiskit.circuit import QuantumCircuit
from qiskit.transpiler.passes.optimization.optimize_swap_before_measure import OptimizeSwapBeforeMeasure
from qiskit.transpiler.passes.analysis.depth import Depth
from qiskit.transpiler.passes.utils.fixed_point import FixedPoint
from qiskit.transpiler.passmanager import PassManager
circ = QuantumCircuit(8, 8)
circ.swap(3, 4)
circ.swap(6, 7)
circ.swap(0, 1)
circ.swap(6, 7)
circ.swap(4, 5)
circ.swap(0, 1)
circ.swap(5, 6)
circ.swap(3, 4)
circ.swap(1, 2)
circ.swap(6, 7)
circ.swap(4, 5)
circ.swap(2, 3)
circ.swap(0, 1)
circ.swap(5, 6)
circ.swap(1, 2)
circ.swap(6, 7)
circ.swap(4, 5)
circ.swap(2, 3)
circ.swap(3, 4)
circ.swap(3, 4)
circ.swap(5, 6)
circ.swap(1, 2)
circ.swap(4, 5)
circ.swap(2, 3)
circ.swap(5, 6)
circ.measure(range(8), range(8))
print("Original circuit gate counts:")
print(circ.count_ops())
# Run with a single OptimizeSwapBeforeMeasure pass
pm = PassManager()
pm.append(OptimizeSwapBeforeMeasure())
result = pm.run(circ)
print("\nAfter one OptimizeSwapBeforeMeasure pass:")
print(result.count_ops())
# Run with the do_while loop as the user did
_depth_check = [Depth(), FixedPoint('depth')]
_opt = [OptimizeSwapBeforeMeasure()]
def _opt_control(property_set):
return not property_set['depth_fixed_point']
pm_loop = PassManager()
pm_loop.append(_depth_check + _opt, do_while=_opt_control)
result_loop = pm_loop.run(circ)
print("\nAfter do_while loop of OptimizeSwapBeforeMeasure pass:")
print(result_loop.count_ops())
# Comparison
if result.count_ops() == result_loop.count_ops():
print("\nSUCCESS: One pass was sufficient.")
else:
print("\nFAILURE: Multiple passes were needed.")
PY
<|"|>}<tool_call|><|tool_response>
Turn 11at 334 s165 tokens out9,822 prompt tokens
Great! The reproduction script now works and confirms the bug: - Original: 25 SWAPs, 8 measurements. - After one `OptimizeSwapBeforeMeasure` pass: 23 SWAPs, 8 measurements. - After `do_while` loop: 0 SWAPs, 8 measurements. So the pass only removes *some* SWAPs in one go, and we need to make it remove *all* of them if they are before measurements. Now let's analyze `qiskit/transpiler/passes/optimization/optimize_swap_before_measure.py`.
TOOL CALL · read_file
{
"filepath": "qiskit/transpiler/passes/optimization/optimize_swap_before_measure.py"
}Result of read_file 3,047 characters
{
"status": "ok",
"filepath": "qiskit/transpiler/passes/optimization/optimize_swap_before_measure.py",
"content": "# This code is part of Qiskit.\n#\n# (C) Copyright IBM 2017, 2019.\n#\n# This code is licensed under the Apache License, Version 2.0. You may\n# obtain a copy of this license in the LICENSE.txt file in the root directory\n# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.\n#\n# Any modifications or derivative works of this code must retain this\n# copyright notice, and modified files need to carry a notice indicating\n# that they have been altered from the originals.\n\n\n\"\"\"Remove the swaps followed by measurement (and adapt the measurement).\"\"\"\n\nfrom qiskit.circuit import Measure\nfrom qiskit.circuit.library.standard_gates import SwapGate\nfrom qiskit.transpiler.basepasses import TransformationPass\nfrom qiskit.dagcircuit import DAGCircuit\n\n\nclass OptimizeSwapBeforeMeasure(TransformationPass):\n \"\"\"Remove the swaps followed by measurement (and adapt the measurement).\n\n Transpiler pass to remove swaps in front of measurements by re-targeting\n the classical bit of the measure instruction.\n \"\"\"\n\n def run(self, dag):\n \"\"\"Run the OptimizeSwapBeforeMeasure pass on `dag`.\n\n Args:\n dag (DAGCircuit): the DAG to be optimized.\n\n Returns:\n DAGCircuit: the optimized DAG.\n \"\"\"\n swaps = dag.op_nodes(SwapGate)\n for swap in swaps:\n final_successor = []\n for successor in dag.successors(swap):\n final_successor.append(successor.type == 'out' or (successor.type == 'op' and\n successor.op.name == 'measure'))\n if all(final_successor):\n # the node swap needs to be removed and, if a measure follows, needs to be adapted\n swap_qargs = swap.qargs\n measure_layer = DAGCircuit()\n for qreg in dag.qregs.values():\n measure_layer.add_qreg(qreg)\n for creg in dag.cregs.values():\n measure_layer.add_creg(creg)\n for successor in list(dag.successors(swap)):\n if successor.type == 'op' and successor.op.name == 'measure':\n # replace measure node with a new one, where qargs is set with the \"other\"\n # swap qarg.\n dag.remove_op_node(successor)\n old_measure_qarg = successor.qargs[0]\n new_measure_qarg = swap_qargs[swap_qargs.index(old_measure_qarg) - 1]\n measure_layer.apply_operation_back(Measure(), [new_measure_qarg],\n [successor.cargs[0]])\n dag.compose(measure_layer)\n dag.remove_op_node(swap)\n return dag",
"start_line": 1,
"end_line": 63,
"total_lines": 63,
"is_truncated": false
}Generated tokens 165 tokens · stopped: STOP
Great! The reproduction script now works and confirms the bug:
- Original: 25 SWAPs, 8 measurements.
- After one `OptimizeSwapBeforeMeasure` pass: 23 SWAPs, 8 measurements.
- After `do_while` loop: 0 SWAPs, 8 measurements.
So the pass only removes *some* SWAPs in one go, and we need to make it remove *all* of them if they are before measurements.
Now let's analyze `qiskit/transpiler/passes/optimization/optimize_swap_before_measure.py`.<channel|><|tool_call>call:read_file{filepath:<|"|>qiskit/transpiler/passes/optimization/optimize_swap_before_measure.py<|"|>}<tool_call|><|tool_response>
Patch, tests and logs
Final code change Included
Test output Missing
Not saved for this rollout. Nothing has been inferred or reconstructed.
Test errors Missing
Not saved for this rollout. Nothing has been inferred or reconstructed.
Test report (JUnit) Missing
Not saved for this rollout. Nothing has been inferred or reconstructed.
Agent log Included
[ 0.0s] 📋 System Prompt: You are a principal Python software engineer resolving a repository issue in `/workspace`.
[ 0.0s] 🎯 Task Prompt: You are evaluating a software engineering task for repository Qiskit/qiskit-terra.
[ 12.4s] 💭 (463 chars) "The user wants to optimize the `OptimizeSwapBeforeMeasure` transpiler pass in Qiskit.
The problem is that `OptimizeSwapB..."
[ 12.4s] 🔧 run_command grep -rn --include="*.py" "class OptimizeSwapBeforeMeasure" qiskit/transpiler
[ 12.4s] → qiskit/transpiler/passes/optimization/optimize_swap_before_measure.py:22:class
OptimizeSwapBeforeMeasure(TransformationP
[ 46.8s] 💭 (191 chars) "Okay, the class is in
`qiskit/transpiler/passes/optimization/optimize_swap_before_measure.py`.
Now let's run the reprod..."
[ 46.8s] 🔧 run_command (61 lines) python3 - <<'PY'
[ 49.4s] → error (exit 0):
[ 64.0s] 💭 (671 chars) "It seems there is a `ModuleNotFoundError` for
`qiskit.transpiler.passes.routing.cython.stochastic_swap.utils`. This migh..."
[ 64.0s] 🔧 run_command ls -l qiskit/transpiler/passes/__init__.py
[ 64.1s] → -rw-r--r-- 1 root root 4417 Feb 10 2021 qiskit/transpiler/passes/__init__.py
[ 74.6s] 💭 (550 chars) "I'll try to import `OptimizeSwapBeforeMeasure` directly from its module:
`qiskit.transpiler.passes.optimization.optimize..."
[ 74.6s] 🔧 run_command grep -rn --include="*.py" "class PassManager" qiskit/transpiler
[ 74.7s] → qiskit/transpiler/passmanager.py:27:class PassManager:
[ 78.7s] 💭 (29 chars) "And `Depth` and `FixedPoint`?"
[ 78.7s] 🔧 run_command (2 lines) grep -rn --include="*.py" "class Depth" qiskit/transpiler
[ 78.8s] → qiskit/transpiler/passes/analysis/depth.py:18:class Depth(AnalysisPass):
[ 107.7s] 💭 (140 chars) "Okay, let's try running the reproduction script again, but importing specifically from the
modules to avoids the `__init..."
[ 107.7s] 🔧 run_command (63 lines) python3 - <<'PY'
[ 109.3s] → error (exit 0):
[ 143.9s] 💭 (512 chars) "The error persists because `from qiskit import QuantumCircuit` likely triggers `import
qiskit`, which triggers `import q..."
[ 143.9s] 🔧 run_command (63 lines) python3 - <<'PY'
[ 145.5s] → error (exit 0):
[ 156.5s] 💭 (507 chars) "Wait, why is `from qiskit.circuit import QuantumCircuit` triggering `import qiskit`?
In Python, if you have a package `q..."
[ 156.5s] 📖 read_file (qiskit/__init__.py)
[ 156.5s] ✓ {'status': 'ok', 'filepath': 'qiskit/__init__.py', 'content': '# This code is part of Qiskit.\n#\n# (C)
Copyright IBM 20…
[ 200.9s] 💭 (786 chars) "Yes, `qiskit/__init__.py` imports `execute_function`, `compiler`, etc.
I should avoid `from qiskit import ...` or `impo..."
[ 200.9s] 🔧 run_command (67 lines) python3 - <<'PY'
[ 202.5s] → error (exit 0):
[ 300.1s] 💭 (215 chars) "It seems that `qiskit.transpiler.passes.routing.stochastic_swap` imports several things from
`.cython.stochastic_swap`.
..."
[ 300.1s] 🔧 run_command (72 lines) python3 - <<'PY'
[ 301.7s] → Original circuit gate counts:
[ 316.1s] 💭 (441 chars) "Great! The reproduction script now works and confirms the bug:
- Original: 25 SWAPs, 8 measurements.
- After one `Optimi..."
[ 316.1s] 📖 read_file (qiskit/transpiler/passes/optimization/optimize_swap_before_measure.py)
[ 316.1s] ✓ {'status': 'ok', 'filepath': 'qiskit/transpiler/passes/optimization/optimize_swap_before_measure.py',
'content': '# This…
Native result row
{
"agent_error": "Agent exceeded session timeout (7.5 min)",
"duration_seconds": 470.59,
"error": "Empty agent patch",
"grade": {
"error": "Empty agent patch",
"resolved": false,
"strict_clean_patch": false,
"test_exit_code": -1
},
"instance_id": "qiskit__qiskit-terra-5833",
"pass_idx": 0,
"patch_chars": 0,
"phase1_seconds": 470.59,
"repo": "Qiskit/qiskit-terra",
"request_log_path": "/kaggle-root/working/r31/rollouts_X/requests/qiskit__qiskit-terra-5833__p0__r4.jsonl",
"resolved": false,
"rollout_idx": 4,
"run_key": "qiskit__qiskit-terra-5833__p0__r4",
"strict_clean_patch": false,
"tool_calls": 11,
"total_llm_calls": 11,
"trace_path": "/kaggle-root/working/r31/rollouts_X/traces/trace_qiskit__qiskit-terra-5833__p0__r4.json"
}