[issue20963] side_effects swapped in Mock example

[Roundup Robot]

Roundup Robot added the comment:

New changeset e725de5a2760 by Éric Araujo in branch '3.4':
Fix typo in example (#20963)
http://hg.python.org/cpython/rev/e725de5a2760

----------
nosy: +python-dev

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20963>
_______________________________________