Install error: "Can't roll back matplotlib; was not uninstalled" · Issue #18 · MichaelGrupp/evo · GitHub
pip 10.0.1 install -e . fails when install.user is set in the config · Issue #5317 · pypa/pip · GitHub
Pip 19.0.3 -> 19.2.3 fails with AttributeError: 'NoneType' object has no attribute 'bytes' · Issue #7069 · pypa/pip · GitHub
![Please help try to instal rasa and rasax in ubuntu20.04 with python3.6 - Rasa Open Source - Rasa Community Forum Please help try to instal rasa and rasax in ubuntu20.04 with python3.6 - Rasa Open Source - Rasa Community Forum](https://europe1.discourse-cdn.com/business20/uploads/rasa/optimized/2X/9/90c5ec25536eb03fc3275531b7b40f7a520649bc_2_690x387.png)