Collecting django-polymorphic-tree==1.4.1 Downloading django_polymorphic_tree-1.4.1-py2.py3-none-any.whl (162kB) Saved /tmp/tmphac5e49q/django_polymorphic_tree-1.4.1-py2.py3-none-any.whl Skipping django-polymorphic-tree, due to already being wheel.