Remove E131 from flake8 ignore list
No occurrences has to be fixed.
Refs
@@ -12,7 +12,6 @@ ignore =
E126 # continuation line over-indented for hanging indent
E127 # continuation line over-indented for visual indent
E128 # continuation line under-indented for visual indent
- E131 # continuation line unaligned for hanging indent
E202 # whitespace before ')'
E203 # whitespace before ',' / ':'
E221 # multiple spaces before operator
