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bpo-39693: mention KeyError in tarfile extractfile documentation (GH-18639)

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Co-authored-by: Andrey Darascheka <andrei.daraschenka@leverx.com>
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Andrey Doroschenko 2020-10-20 17:05:01 +03:00 • committed by GitHub
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Doc/library/tarfile.rst
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@ -445,10 +445,11 @@ be finalized; only the internally used file object will be closed. See the
.. method:: TarFile.extractfile(member)
Extract a member from the archive as a file object. *member* may be a filename
or a :class:`TarInfo` object. If *member* is a regular file or a link, an
:class:`io.BufferedReader` object is returned. Otherwise, :const:`None` is
returned.
Extract a member from the archive as a file object. *member* may be
a filename or a :class:`TarInfo` object. If *member* is a regular file or
a link, an :class:`io.BufferedReader` object is returned. For all other
existing members, :const:`None` is returned. If *member* does not appear
in the archive, :exc:`KeyError` is raised.
.. versionchanged:: 3.3
Return an :class:`io.BufferedReader` object.