app-editors/leo-4.2 uses python_tkinter_exists function (newer version 4.4.7-r1 is fixed). It should use EAPI 2 - use flag dependencies Reproducible: Always
Created attachment 183575 [details, diff] Patch adding python tk USE flag dependency
Hello, app-editors/leo-4.4.7-r1 is in the tree with EAPI=2 support. Anyways, thanks to Pavel for another good patch! Best regards,