[issue18622] reset_mock on mock created by mock_open causes infinite recursion

[Roundup Robot]

Roundup Robot added the comment:

New changeset c0ec61cf5a7d by Robert Collins in branch '3.5':
- Issue #18622: unittest.mock.mock_open().reset_mock would recurse infinitely.
https://hg.python.org/cpython/rev/c0ec61cf5a7d

New changeset a4fe32477df6 by Robert Collins in branch 'default':
- Issue #18622: unittest.mock.mock_open().reset_mock would recurse infinitely.
https://hg.python.org/cpython/rev/a4fe32477df6

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18622>
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