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Problem with avbin

Hi
I am constructing facial expression perception experiment.
And I 'd like to present facial expression through video on the screen since there is a change in the intensity of facial expression. so I use movie property offered by psychpy builder. But avbin doesn’t work. (Neither moviepy nor opencv does work)
This is my code and I make this experiment with the latest version of psychopy
Please let me know how to resolve this problem.

Blockquote
Traceback (most recent call last):
File “C:\Users\hjpar\Desktop\Stimulus\eP.py”, line 80, in
depth=-1.0,
File “C:\Users\hjpar\Downloads\PsychoPy-3.0.0b9\PsychoPy-3.0.0b9\PsychoPy3\lib\site-packages\psychopy\contrib\lazy_import.py”, line 120, in call
return obj(*args, **kwargs)
File “C:\Users\hjpar\Downloads\PsychoPy-3.0.0b9\PsychoPy-3.0.0b9\PsychoPy3\lib\site-packages\psychopy\visual\movie.py”, line 139, in init
self._player = pyglet.media.ManagedSoundPlayer()