`dict.get()` returns `None` by default, if a key wasn't found.
Removing `None` as second argument to avoid redundancy.
Change-Id: Ia82f7469cd019509bbeccbfe54b15eeedc7bb6ea
Made all the necessary changes to pass new PEP8 standards.
Also cleaned up docstrings to conform to the HACKING stanards.
Change-Id: Ib8df3030da7a7885655689ab5da0717748c9edbe
* Specific versions supported are managed in XXXXXX.client.py with a
mapping from version to client class. This is based on the scheme
that is included in novaclient; none of the other client libs have
that capability.
Change-Id: I930b197f1189e7f52c3b0096e73e0773cf925542
