@Netozs Let me check this in the same docker image and come back. Looks like some of the dependencies are getting missed in the docker image and hence the installation is failing. But I have one query ...

Thanks a lot for that. For licensing purposes, by which name would you like to be credited for this patch? Unless you prefer not to be credited. Also, is your patch licensed under the same license as ...

As the topic title, I'm receiving a "cannot import name ttk" error even though it appears that my python path has the correct directory listed in it.