Fix formatting errors in notifications module according to PEP8
Review Request #6632 — Created Nov. 23, 2014 and submitted
Fixed the following format errors:
notifications/email.py:321:9: E201 whitespace after '('
notifications/email.py:321:9: E272 multiple spaces before keyword
notifications/email.py:322:9: E128 continuation line under-indented for visual indent
Ran unit tests for notifications module, and ran pep8 again.
Tool: Pyflakes Processed Files: reviewboard/notifications/email.py Tool: PEP8 Style Checker Processed Files: reviewboard/notifications/email.py