How to install PsychoPy 2021.1.3 on ubuntu 20

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Dear all

I need your help for updating my psychopy to latest version (Release PsychoPy 2021.1.3 · psychopy/psychopy · GitHub). I couldn’t do it by addressing .zip file inside of the builder (I made sure execution permission of zip is allowed).

I also used sudo python setup.py install in the zip file I got this error:
cryptography 2.8 is installed but cryptography>=3.2 is required by {‘pyOpenSSL’}

I even removed it and again pip install psychopy but it is not still the latest version.

Thanks in advanced

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I had a similar set of problem on the same OS.

And now I’ve made it far worse… I tried using sudo, then I tried installing on top of the existing version, and now nothing works!

So I’d also appreciate some help!

If nothing else, some advice on how to completely remove psychopy - I don’t even seem able to do that… - and re-install from scratch.

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An update - I laboriously removed all trace of Psychopy from my Ubuntu PC and then did an install of the new version. It appears to have worked.