Frank Harrison added the comment:
Minor correction: The regression was only tested on Python 3.9.0a2 (Fedora),
Python 3.9a3 (OSX), CPython's master (build from source) and the latest
non-prerelease versions of python 3.5, 3.6, 3.7, and 3.8. Tested on OSX and
Fedo
New submission from Frank Harrison :
This is my first bug logged here, I've tried to follow the guideline and search
for this issue; please let me know if I missed anything.
Summary:
unittest.mock.MagicMock has a regression starting in 3.8. The regression was
only tested on lates
