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Github related error when trying to run experiment

Hello everyone,

OS: Win10
PsychoPy version: 2021.2.3
Standard Standalone? (y/n) : y
What are you trying to achieve?:

I am currently trying to set up a new experiment which worked perfectly fine yesterday. However, when setting the “version-button” from blank to “2021.2.3” today, the experiment no longer starts running (yesterday it worked in both versions).

What specifically went wrong when you tried that?: When I try to run the experiment, I receive the following code:

Downloading the PsychoPy Library from Github (may take a while)
git clone -o github GitHub - psychopy/versions: This is for use by psychopy.useVersion() not for development of code versions
Cloning into ‘versions’…
fatal: unable to access ‘GitHub - psychopy/versions: This is for use by psychopy.useVersion() not for development of code’: Failed to connect to github.com port 443: Timed out
Traceback (most recent call last):
File “O:\AG_Neuro\Exp_PsychoPy\sj\SJ_lastrun.py”, line 17, in
psychopy.useVersion(‘2021.2.3’)
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\tools\versionchooser.py”, line 87, in useVersion
_clone(requestedVersion) # Allow the versions subdirectory to be built
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\tools\versionchooser.py”, line 363, in _clone
env=constants.ENVIRON).decode(‘UTF-8’)
File “C:\Program Files\PsychoPy\lib\subprocess.py”, line 336, in check_output
**kwargs).stdout
File “C:\Program Files\PsychoPy\lib\subprocess.py”, line 418, in run
output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command ‘[‘git’, ‘clone’, ‘-o’, ‘github’, ‘GitHub - psychopy/versions: This is for use by psychopy.useVersion() not for development of code’, ‘versions’]’ returned non-zero exit status 128.

Experiment ended.

Thanks in advance for any feedback