[issue42363] I think it will be better to output self._state for debugging

Change by Jim Lin : -- keywords: +patch pull_requests: +22190 stage: -> patch review pull_request: https://github.com/python/cpython/pull/23299 ___ Python tracker <https://bugs.python.org/issu

[issue42363] I think it will be better to output self._state for debugging

New submission from Jim Lin : I think the exception "raise ValueError("Pool not running")" is not easy for a programmer to quickly know the problem of their code. Therefore, I add the value of self._state when throwing the ValueError. -- components: Library (L