Fix pep8 issues

flake8 was updated to 3.8.0, and it
caught a couple of omissions including
E741 (ambiguous variable name) and
E225 (missing whitespace around operator).

Change-Id: I375e948684bb4a6b35297689f837056b0cb48fb1
Signed-off-by: Goutham Pacha Ravi <gouthampravi@gmail.com>
2 files changed