Enable 'generate_uuid' function to generate uuid with dashes or not,
because some projects use uuid with dashes while some others not.
Change-Id: I6f213ea47de5713a79b5e0dccf486a7bba88f853
Some of tests use different method of
assertTrue(isinstance(A, B)) or assertEqual(type(A), B).
The correct way is to use assertIsInstance(A, B) provided by testtools
Change-Id: I30c6b98350d7b58b3be59aee267f98fea4e483ab
Move the public API out of oslo.utils to oslo_utils. Retain the ability
to import from the old namespace package for backwards compatibility for
this release cycle.
bp/drop-namespace-packages
Change-Id: Ic6dd62097399bf75e3d11b4d8a6400971069c415
