Pip won't install packages in virtualenv

Question

After performing a system upgrade this morning, I\'m not able to install or update packages in any of my old or fresh created virtual environments. I create the virtual envi

Answer 1

I was able to fix this myself. I checked all the pip config files here https://pip.pypa.io/en/latest/user_guide/#configuration

Seems like in the pip configuration file /etc/pip.conf the user parameter was set to true. Changing it to false resolved my issue.

I still don't know why/if the config file changed.