[docs] [issue28911] Clarify the behaviour of assert_called_once_with

[STINNER Victor]

STINNER Victor added the comment:


New changeset 324c5d8ca6ed1c964d3b20e5762139ec65c7827c by Victor Stinner (Arne de Laat) in branch 'master':
bpo-28911: Clarify the behaviour of assert_called_once_with. (#251)
https://github.com/python/cpython/commit/324c5d8ca6ed1c964d3b20e5762139ec65c7827c


----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue28911>
_______________________________________