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bpo-39674: Revert "bpo-37330: open() no longer accept 'U' in file mode (GH-16959)" (GH-18767)

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This reverts commit e471e72977.

The mode will be removed from Python 3.10.
This commit is contained in:
Victor Stinner 2020-03-04 18:50:22 +01:00 • committed by GitHub
parent 00c77ae55a
commit 942f7a2dea
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13 changed files with 99 additions and 54 deletions
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Lib/imp.py
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@ -225,7 +225,7 @@ def load_module(name, file, filename, details):
"""
suffix, mode, type_ = details
if mode and (not mode.startswith('r') or '+' in mode):
if mode and (not mode.startswith(('r', 'U')) or '+' in mode):
raise ValueError('invalid file open mode {!r}'.format(mode))
elif file is None and type_ in {PY_SOURCE, PY_COMPILED}:
msg = 'file object required for import (type code {})'.format(type_)