No module named 'optree' in default python 3 Script Editor

[scottd (Scott Davidson)]

Actually, I think it is IFCOpenShell version on Pypi. I found that to be a real problem. So, take it out of # requirements. And it needs to be downloaded and loaded with import.

Details can be found here:

Importing libraries for specific Python versions

I ran a few more tests on this. It seems to me that there is a bug within pip that makes it download ifcopenshell-0.7.*-py36-none-win_amd64 on python 3.9. not sure why but I have logged a YT for this: RH-80975 Pip installs wrong ifcopenshell In the meantime Download ifcopenshell for Python 3.9 / 64bit from: https://blenderbim.org/docs-python/ifcopenshell-python/installation.html Extract to a directory where you’d like tho keep this library untouched. Add the path of where this library is …