Flake8 currently ignores the following bugbear errors:
B005: Using .strip() with multi-character strings misleads the reader
B301: Python 3 does not include `.iter*` methods on dictionaries.
Enable them for more thorough testing of code
Change-Id: I34da4ac5d107e89b26828d53c84fa2167143b1e7
Story: 2004515
Task: 30241
Signed-off-by: Eric Barrett <eric.barrett@windriver.com>