[issue23792] help crash leaves terminal in raw mode

[Roundup Robot]

Roundup Robot added the comment:

New changeset 7a5f30babc72 by R David Murray in branch '3.4':
#23792: also catch interrupt around pipe.write.
https://hg.python.org/cpython/rev/7a5f30babc72

New changeset 536c4f4acae1 by R David Murray in branch 'default':
Merge: #23792: also catch interrupt around pipe.write.
https://hg.python.org/cpython/rev/536c4f4acae1

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<http://bugs.python.org/issue23792>
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