Error on Anki startup and add on not working

[gaetanKeribin]

Error
An error occurred. Please start Anki while holding down the shift key, which will temporarily disable the add-ons you have installed.
If the issue only occurs when add-ons are enabled, please use the Tools > Add-ons menu item to disable some add-ons and restart Anki, repeating until you discover the add-on that is causing the problem.
When you've discovered the add-on that is causing the problem, please report the issue on the add-on support site.
Debug info:
Anki 2.1.35 (84dcaa86) Python 3.8.1 Qt 5.15.1 PyQt 5.15.1
Platform: Linux
Flags: frz=True ao=True sv=1
Add-ons, last update check: 2020-10-19 14:55:38
Add-ons possibly involved: ⁨HoochieMama Randomize Rev Queue⁩

Caught exception:
Traceback (most recent call last):
File "/home/gaetan/.local/share/Anki2/addons21/1460733408/prefmenu.py", line 39, in
self.hoochieMama.clicked.connect(lambda:onClick(self))
File "/home/gaetan/.local/share/Anki2/addons21/1460733408/prefmenu.py", line 134, in onClick
run_tests.testWrap(state)
File "/home/gaetan/.local/share/Anki2/addons21/1460733408/self_test.py", line 66, in testWrap
mw.col.sched._fillRev()
File "</usr/local/share/anki/bin/decorator.pyc:decorator-gen-24>", line 2, in _fillRev
File "anki/hooks.py", line 638, in decorator_wrapper
File "anki/hooks.py", line 635, in repl
TypeError: fillRev() got multiple values for argument '_old'