MacOS Big Sur error installing pyqt5-tools package

[Stephan Maier]

Hey there,

first of all i wish you all a happy new year!

I am having a problem installing the package pyqt5-tools on my Macbook Pro 2016. 

pyqt5 as well as pyqt5-sip are already installed. But when installing the pyqt5-tools package the following error occures:

-------

Collecting pyqt5-tools

  Downloading pyqt5_tools-5.15.2.3-py3-none-any.whl (28 kB)

Requirement already satisfied: pyqt5==5.15.2 in /Users/stephanmaier/Library/Python/3.7/lib/python/site-packages (from pyqt5-tools) (5.15.2)

ERROR: Could not find a version that satisfies the requirement pyqt5-plugins<5.15.2.3,>=5.15.2.2 (from pyqt5-tools) (from versions: none)

ERROR: No matching distribution found for pyqt5-plugins<5.15.2.3,>=5.15.2.2 (from pyqt5-tools)

Process returned with code 1

-------

Can anyone tell me how to fix this issue?

Thank you very much!

Greetings, Stephan

[Aivar Annamaa]

Hi!

Most likely this problem is not really Thonny related. You probably would get better answers from a Qt or pip forum. 

> Could not find a version that satisfies the requirement pyqt5-plugins<5.15.2.3,>=5.15.2.2 (from pyqt5-tools) 

I suspect the packages have tight dependency requirements (and until recent versions, pip has not been very smart on this). You could try doing the dependency resolution yourself by uninstalling all pyqt packages and installing one by one with specific versions. Try starting with pyqt5-plugins==5.15.2.2.*

Best regards,
Aivar

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