python: reformat using black

Code cannot currently be submitted to this repo because it fails
in the unit-test phase.  Attempt to reformat the code using `black`
to hopefully make pycodestyle happier.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I17aa506471ceade224bcab5b2fa0dc8cd7a88c0a
27 files changed