Remove E123 from flake8 ignore list
Fix occurrence of this error.
Refs
@@ -8,7 +8,6 @@ exclude =
# TODO: fix some of these
ignore =
- E123 # closing bracket does not match indentation of opening bracket's line
E126 # continuation line over-indented for hanging indent
E127 # continuation line over-indented for visual indent
E128 # continuation line under-indented for visual indent
