Psychopy on Big Sur on mac

Builder
2

@Jon Gives some instructions here: Release 2020.2.3 fixing launch issues for macOS Catalina/Mojave. It appears that the issue has something to do withA piece of background software called piglet.He writes:

Fetch your open copy of pyglet/window/key.py:
https://github.com/pyglet/pyglet/blob/pyglet-1.5-maintenance/pyglet/window/key.py and save it inside psychopy/app/builder/

Then change psychopy/app/builder/validators.py around line 27 from

from pyglet.window import key

to

try:
    from pyglet.window import key
except Exception:
    from . import key

Hopefully then you can launch the app"

Unfortunately, I lack the technical skills to follow this instruction, Because I don’t know how to access the directory “`psychopy/app/builder/”.

I think if you follow the instructions above you should have solved the problem, can anyone point me to how to access this directory?

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