[issue44687] io.BufferedReader:peek() closes underlying file, breaking peek/read expectations

[Steve Dower]

Steve Dower <steve.dower at python.org> added the comment:


New changeset a450398933d265011e1e8eae7f771b70f97945fb by AngstyDuck in branch 'main':
bpo-44687: Ensure BufferedReader objects with unread buffers can peek even when the underlying file is closed (GH-28457)
https://github.com/python/cpython/commit/a450398933d265011e1e8eae7f771b70f97945fb


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<https://bugs.python.org/issue44687>
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