* test: Switch to unittest.mock from mockNow that the minimum supported version of Python is 3.7, we can stopusing the external mock requirement, and import it from unittest. I havealso attempted to keep imports ordered.Fixes#377* test: Fallback to external mock for AsyncMockAsyncMock is not included in unittest.mock under Python 3.7, so we mustfallback to the external mock requirement for that Python version. Onlyinstall it for that version.Keep this as a separate commit so it can be reverted when 3.7 isn'tsupported anymore.* lint* clean up to satisfy mypy* lint* fix build---------Co-authored-by: Anthonios Partheniou <partheniou@google.com>

* feat: add support for python 3.13* Add constraints file* Avoid Python3.13 warning coroutine method 'aclose' was never awaited* remove allow-prereleases: true* exclude grpcio 1.67.0rc1* add comment* remove empty line* 🦉 Updates from OwlBot post-processorSeehttps://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md* Update commentCo-authored-by: ohmayr <omairnaveed@ymail.com>---------Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>Co-authored-by: ohmayr <omairnaveed@ymail.com>

* Update* Update client_options.py* Update* fix build---------Co-authored-by: Anthonios Partheniou <partheniou@google.com>

* chore: move retry async check to wrap time* 🦉 Updates from OwlBot post-processorSeehttps://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md* added no cover mark---------Co-authored-by: Daniel Sanche <d.sanche14@gmail.com>Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>Co-authored-by: Daniel Sanche <sanche@google.com>

* feat: optimize _GapicCallable* cleaned up metadata lines* chore: avoid type checks in error wrapper* Revert "chore: avoid type checks in error wrapper"This reverts commitc97a636.* add default wrapped function* fixed decorator order* fixed spacing* fixed comment typo* fixed spacing* fixed spacing* removed unneeded helpers* use caching* improved metadata parsing* improved docstring* fixed logic* added benchmark test* update threshold* run benchmark in loop for testing* use verbose logs* Revert testing* used smaller value* changed threshold* removed link in comment* use list type for metadata* add types to docstring* fixed lint* convert to list at init time---------Co-authored-by: Daniel Sanche <sanche@google.com>Co-authored-by: Daniel Sanche <d.sanche14@gmail.com>

* chore: update templated files* 🦉 Updates from OwlBot post-processorSeehttps://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md---------Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>Co-authored-by: ohmayr <omairnaveed@ymail.com>

* Improve Any decoding-error.Was:TypeError: Could not convert Any to PredictLongRunningResponseNow:TypeError: Could not convert   Any[google.ai.generativelanguage.v1main.PredictLongRunningResponse] to       google.ai.generativelanguage.v1beta.PredictLongRunningResponse* update test* update error message* address review feedback---------Co-authored-by: Anthonios Partheniou <partheniou@google.com>

This reverts commit3c69867.

This reverts commit1695119.