Uncap PrettyTable
Uncap PrettyTable

This is now maintained as a Jazzband project [1].

[1] https://github.com/jazzband/prettytable

Change-Id: I29f68f2d08aa707dd328504f49e80fcd2d3f771b

ChameleonCloud/python-blazarclient,stackforge/python-blazarclient,openstack/python-blazarclient