Update for file header, docstrings, and PEP8/PEP257

tests/components/test_splunk.py

@@ -1,6 +1,6 @@
 """
 tests.components.test_splunk
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 Tests splunk component.
 """
@@ -40,7 +40,6 @@ class TestSplunk(unittest.TestCase):
         self.assertEqual(EVENT_STATE_CHANGED,
                          hass.bus.listen.call_args_list[0][0][0])
 
-
     def _setup(self, mock_requests):
         self.mock_post = mock_requests.post
         self.mock_request_exception = Exception