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Roy 02-26-2021 05:15 AM

Install Psychopy3 into Vizard7
Does anyone know how to install and use psychopy3 in vizard7?
When I tried to install it from vizard's package manager, I got error as below,

error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\BuildTools\\VC\\Tools\\MSVC\\14.28.2 9333\\bin\\HostX86\\x64\\cl.exe' failed with exit status 2
ERROR: Failed building wheel for cryptography
Running clean for cryptography
Failed to build cryptography
ERROR: Could not build wheels for cryptography which use PEP 517 and cannot be installed directly.

This error is involved in cryptography, how to fix?


mspusch 08-25-2021 10:01 AM

Hi Roy,

I believe this was addressed in the WorldViz closed support forum, and you got the answers you needed?

Please let me know if this is still an open issue at this point,



Roy 10-04-2021 12:53 AM

Hi Matthias,

This issue should be still opened because there have been no answers.


mspusch 10-04-2021 06:48 AM

Hi Roy, thanks for the note back, we'll have a look at it and get back to you.

sado_rabaudi 10-04-2021 04:26 PM

We tested the latest version of Vizard (7.2.1) and psychopy 2020.2.10 works, but 2021.2.3 did not. It might be worth looking into what changed on the psychopy side.

To install the 2020.2.10 version you can go to the Package Manager, CMD tab and type in
install psychopy==2020.2.10


AustinNorth 10-05-2021 02:19 PM

Hi I had the same problem, not solved until now

sado_rabaudi 02-17-2022 11:18 AM

It seems you can install the latest Psychopy now with Vizard 7.3 that was just released

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