Make BufferedWriter generic over a protocol #14015
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Closes: #13495. |
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Diff from mypy_primer, showing the effect of this PR on open source code: zope.interface (https://github.com/zopefoundation/zope.interface)
- src/zope/interface/common/tests/test_io.py:36: error: Argument 1 to "BufferedWriter" has incompatible type "StringIO"; expected "RawIOBase" [arg-type]
+ src/zope/interface/common/tests/test_io.py:36: error: Value of type variable "_BufferedWriterStreamT" of "BufferedWriter" cannot be "StringIO" [type-var]
- src/zope/interface/common/tests/test_io.py:41: error: Argument 2 to "BufferedRWPair" has incompatible type "BytesIO"; expected "RawIOBase" [arg-type]
ibis (https://github.com/ibis-project/ibis)
- ibis/expr/visualize.py:182: error: Incompatible types in assignment (expression has type "BufferedWriter", variable has type "_TemporaryFileWrapper[bytes]") [assignment]
+ ibis/expr/visualize.py:182: error: Incompatible types in assignment (expression has type "BufferedWriter[_BufferedWriterStream]", variable has type "_TemporaryFileWrapper[bytes]") [assignment]
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