Comment 2 for bug 1907125

Apparently the issue was two things
An unexpected version of bugbear was being installed.
A new version of pip was resolving the components it installs differently. This was the bigger issue, since it blocked sysinv from running zuul in python3.

https://review.opendev.org/c/starlingx/config/+/765863

https://review.opendev.org/c/starlingx/distcloud/+/766103