Neon-Face commented on issue #54223:
URL: https://github.com/apache/airflow/issues/54223#issuecomment-3165429634
> It seems like the bug is from
`airflow.providers.standard.operators.python`, it possibly triggers server
error and change the task state.
>
> ```
> 2025-08-07 18:06:42 [warning ] Server error
[airflow.sdk.api.client] detail={'detail': {'reason': 'not_found', 'message': "V
> ariable with key 'PythonVirtualenvOperator.cache_key' not found"}}
> 2025-08-07 18:06:42 [error ] Variable not found
[airflow.sdk.api.client] detail={'detail': {'reason': 'not_found', 'message': "V
> ariable with key 'PythonVirtualenvOperator.cache_key' not found"}}
key=PythonVirtualenvOperator.cache_key status_code=404
> ```
>
> It is located in
`.venv/lib/python3.9/site-packages/airflow/providers/standard/operators/python.py`:
`"cache_key": str(Variable.get("PythonVirtualenvOperator.cache_key", "")),`
>
> Also in
`.venv/lib/python3.9/site-packages/airflow/providers/standard/operators/python.py`
, Variable is imported in an old way: `from airflow.models.variable import
Variable` instead of `from airflow.sdk import Variable`.
>
> Can anyone help me confirm that such issue does exist? Thanksss!
I think this is another issue now.... not only `@task.virtualenv` will fail
randomly, `@task` as well....
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