[docs] [issue23890] assertRaises increases reference counter

[Ezio Melotti]

Changes by Ezio Melotti <ezio.melotti at gmail.com>:


----------
assignee:  -> docs at python
components: +Documentation
nosy: +docs at python
stage:  -> needs patch
versions: +Python 3.6

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue23890>
_______________________________________