[issue42512] typing: Confusing that BinaryIO and IO[bytes] cannot be used interchangeably

[STINNER Victor]

Change by STINNER Victor <vstinner at python.org>:


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title: Confusing that BinaryIO and IO[bytes] cannot be used interchangeably -> typing: Confusing that BinaryIO and IO[bytes] cannot be used interchangeably

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42512>
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