[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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srittau
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Feb 12, 2026
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Thanks. One note about the test: We don't need that as it's basically restating the type annotations. typeshed's test are only used in complex situations.
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According to mypy_primer, this change has no effect on the checked open source code. 🤖🎉 |
srittau
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Feb 12, 2026
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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