ARCHIVED TRAINING / Qiskit/qiskit

qiskit__qiskit-12527

This is a preserved training example. Membership in the current training wave has not been verified.

Problem statement

`Target.has_calibration` errors for instructions without properties
### Environment

- **Qiskit version**: 1.1.0
- **Python version**: 3.12
- **Operating system**: Fedora Linux 40


### What is happening?

If a `Target` has an `Instruction` with `None` for its `InstructionProperties`, `Target.has_calibration` raises an `AttributeError`.

### How can we reproduce the issue?

Consider this case from the `Target` docstring with the `has_calibration` call added at the end:

```python
from qiskit.circuit.library import CXGate
from qiskit.transpiler import Target, InstructionProperties

target = Target()
cx_properties = {
    (0, 1): None,
    (1, 0): None,
    (0, 2): None,
    (2, 0): None,
    (0, 3): None,
    (2, 3): None,
    (3, 0): None,
    (3, 2): None
}
target.add_instruction(CXGate(), cx_properties)

target.has_calibration("cx", (0, 1))  # AttributeError!
```

### What should happen?

The last line above should return `False`

### Any suggestions?

I will submit a PR.

Training membership

opd_e4b_cispo_v5 opd_e4b_pure_v6a opd_e4b_pure_v6b opd_e4b_pure_v7 opd_e4b_pure_v7b opd_e4b_self_audit_v4

Task issues extracted from preserved verified_rft_messages training examples. This is not a verified current RL wave manifest.

Task and snapshot provenance

Snapshot captured 2026-11-12T17:06:59.476467+00:00 · Autoresearch-Arena/gemma-4-developer-agent

{
  "datasets": [
    "opd_e4b_cispo_v5",
    "opd_e4b_pure_v6a",
    "opd_e4b_pure_v6b",
    "opd_e4b_pure_v7",
    "opd_e4b_pure_v7b",
    "opd_e4b_self_audit_v4"
  ],
  "examples": 23,
  "instance_id": "qiskit__qiskit-12527",
  "problem_statement": "`Target.has_calibration` errors for instructions without properties\n### Environment\n\n- **Qiskit version**: 1.1.0\r\n- **Python version**: 3.12\r\n- **Operating system**: Fedora Linux 40\r\n\n\n### What is happening?\n\nIf a `Target` has an `Instruction` with `None` for its `InstructionProperties`, `Target.has_calibration` raises an `AttributeError`.\n\n### How can we reproduce the issue?\n\nConsider this case from the `Target` docstring with the `has_calibration` call added at the end:\r\n\r\n```python\r\nfrom qiskit.circuit.library import CXGate\r\nfrom qiskit.transpiler import Target, InstructionProperties\r\n\r\ntarget = Target()\r\ncx_properties = {\r\n    (0, 1): None,\r\n    (1, 0): None,\r\n    (0, 2): None,\r\n    (2, 0): None,\r\n    (0, 3): None,\r\n    (2, 3): None,\r\n    (3, 0): None,\r\n    (3, 2): None\r\n}\r\ntarget.add_instruction(CXGate(), cx_properties)\r\n\r\ntarget.has_calibration(\"cx\", (0, 1))  # AttributeError!\r\n```\n\n### What should happen?\n\nThe last line above should return `False`\n\n### Any suggestions?\n\nI will submit a PR.",
  "repo": "Qiskit/qiskit",
  "source": "v2/experiments/train_data/opd_e4b_cispo_v5/verified_rft_messages.jsonl",
  "source_sha256": "a43610ad0dfb6ace95375cfae09000f41afc0338cc925af870a4ade7a9b20c4c"
}

{
  "captured_at": "2026-11-12T17:06:59.476467+00:00",
  "membership": "archived training",
  "membership_evidence": "Task issues extracted from preserved verified_rft_messages training examples. This is not a verified current RL wave manifest.",
  "name": "Preserved post-training task archive",
  "source": "Autoresearch-Arena/gemma-4-developer-agent",
  "source_revision": "016496de222aaafca0d4ee4c18efc63ba616f76e",
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