Switch from flake8 blacklist to flake8 whitelist to catch all other errors in build
Test to check for blank lines containing whitespace
Remove blank lines containing whitespace
Add build check for whitespace after '{'.
Remove whitespace after '{'.
Add build test for multiple spaces after operator
Remove multiple spaces after operator
Add build test for multiple imports on the same line
Fix multiple imports on same line
Add build test for lines ending in ;
Remove lines ending in ;
Add indentation build checks
pep8: Fix indentation issues
Merge from master and correct pep8 issues
Add some ignored warnings to the whitelist to make the build pass for now.
Enable build tests for "not in" and proper indentation
Fix pep8 E713, E113, E112 across the codebase
pep8: Fix indentation issue
Enable E111 pep8 across codebase
Enable E265 pep8 across codebase