[stdlib] Allow FileHandler.stream to be None #15378
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FileHandler sets self.stream = None in two CPython code paths: delay=True in __init__ and after close(). Override the inherited StreamHandler.stream type to reflect this.
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According to mypy_primer, this change has no effect on the checked open source code. 🤖🎉 |
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Summary
FileHandler.streamtype toTextIOWrapper | Noneto reflect CPython's actual behaviorFileHandlersetsself.stream = Nonein two code paths:delay=Truein__init__close()assert_typetest for the new type incheck_logging.py