Whitespace cleanup.

* Removed trailing whitespace.
* Added newline to EOF if missing.
* Removed blank lines at EOF.
* Removed some stray tabs.

tests/version/tests.py

@@ -24,4 +24,3 @@ class VersionTests(TestCase):
         )
         for ver_tuple, ver_string in tuples_to_strings:
             self.assertEqual(get_version(ver_tuple), ver_string)
-