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change: Remove throw from local task cancellation #856

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change: Remove throw from local task cancellation #856

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1284adc
change: Remove throw from local task cancellation
shpface Jan 20, 2024
13b6781
update local cancel docstring
shpface Jan 23, 2024
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5 changes: 3 additions & 2 deletions src/braket/tasks/local_quantum_task.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@
class LocalQuantumTask(QuantumTask):
"""A quantum task containing the results of a local simulation.

Since this class is instantiated with the results, cancel() and run_async() are unsupported.
Since this class is instantiated with the results, run_async() is unsupported.
"""

def __init__(
Expand All @@ -43,7 +43,8 @@ def id(self) -> str:

def cancel(self) -> None:
"""Cancel the quantum task."""
raise NotImplementedError("Cannot cancel completed local task")
# A LocalQuantumTask is already completed, so there is nothing to cancel
pass
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I have mixed feelings about using pass here. What would your thoughts be if we instead used a log line indicating local tasks are already complete on instantiation or some better worded statement?


def state(self) -> str:
return "COMPLETED"
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1 change: 0 additions & 1 deletion test/unit_tests/braket/tasks/test_local_quantum_task.py
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Expand Up @@ -46,7 +46,6 @@ def test_result():
assert TASK.result() == RESULT


@pytest.mark.xfail(raises=NotImplementedError)
def test_cancel():
TASK.cancel()

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