[issue18853] Got ResourceWarning unclosed file when running Lib/shlex.py demo

[Roundup Robot]

Roundup Robot added the comment:

New changeset 4c2b77d0680b by R David Murray in branch '3.4':
#18853: Fix resource warning in shlex's __main__ section.
https://hg.python.org/cpython/rev/4c2b77d0680b

New changeset 8ed630f28753 by R David Murray in branch 'default':
Merge: #18853: Fix resource warning in shlex's __main__ section.
https://hg.python.org/cpython/rev/8ed630f28753

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nosy: +python-dev

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<http://bugs.python.org/issue18853>
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