These are simple scripts I made to investigate things. Each show the
version discovery info for all of the clouds in a clouds.yaml.
Change-Id: I742a59c737c53c05851015b9734c7aa85a5466ca
Pin tox environments to upper-constraints to avoid conflicts with
library releases.
Change-Id: I17664e0794de05fb9661050018dff2a07b077826
Closes-Bug: #1628597