mypy type errors after upgrading tenacity to 9.1.3: logging.Logger rejected #554

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1. maykcaldas commented on Feb 10, 2026

   

   maykcaldas

   on Feb 10, 2026

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   +1
2. jd commented on Feb 10, 2026

   

   jd

   on Feb 10, 2026

   Owner

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   What about 9.1.4?
3. omikader commented on Feb 11, 2026

   

   omikader

   on Feb 11, 2026

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   Hello @jd -- confirming that I am seeing this error on 9.1.4

   Argument 1 to "before_sleep_log" has incompatible type "Logger"; expected "LoggerProtocol"Mypy[arg-type](https://mypy.readthedocs.io/en/latest/_refs.html#code-arg-type)
   
   Following member(s) of "Logger" have conflicts:
       Expected:
           def log(self, int, str, /, *args: Any, **kwargs: Any) -> Any
       Got:
           def log(self, level: int, msg: object, *args: object, exc_info: bool | tuple[type[BaseException], BaseException, TracebackType | None] | tuple[None, None, None] | BaseException | None = ..., stack_info: bool = ..., stacklevel: int = ..., extra: Mapping[str, object] | None = ...) -> None
   

   Same repro as @anpr
4. jd

   added a commit that references this issue on Feb 19, 2026

   fix: make LoggerProtocol compatible with logging.Logger

   ...

   This issue will close once commit bb33a08 is merged into the 'main' branch.

   bb33a08
5. mergify

   closed this as completedin #586on Feb 19, 2026
6. sthagen

   added a commit that references this issue on Feb 19, 2026

   fix: make LoggerProtocol compatible with logging.Logger (jd#586)

   ...

   This issue will close once commit 773f438 is merged into the 'main' branch.

   773f438