Recent pep8 upgrade and corresponding pycodestyle update break
horizon pep8 job due to the new rules.
This commit fixes the following new errors:
- E226 missing whitespace around arithmetic operator
- E241 multiple spaces after ','
- E731 do not assign a lambda expression, use a def
The following errors are added to the ignore list
as there are many errors:
- E402 module level import not at top of file
- W503 line break before binary operator
Change-Id: I3478b0684175d2604bbcc1d89cbfca298b97f1e1