As told by @rymarczy, this could fix this issue, as tested locally in my venv. The approach is:
"I haven't tested this extensively, but changing the the inheritance of the LayoutShapes class in shapetree.py from _BaseShapes to _BaseGroupShapes appears to allow this behavior."
As told by @rymarczy, this could fix this issue, as tested locally in my venv. The approach is:
"I haven't tested this extensively, but changing the the inheritance of the LayoutShapes class in shapetree.py from _BaseShapes to _BaseGroupShapes appears to allow this behavior."
Originally posted by @rymarczy in https://github.com/scanny/python-pptx/issues/575#issuecomment-765731041