[issue42247] unittest hides traceback frames in chained exceptions

[Irit Katriel]

Change by Irit Katriel <iritkatriel at yahoo.com>:


----------
pull_requests: +22555
pull_request: https://github.com/python/cpython/pull/23687

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42247>
_______________________________________