lint: Clean up E306 PEP-8 rule.

contrib_bots/bots/converter/tests.py

@@ -4,9 +4,11 @@ def test():
     for cmd, expected_response in sample_conversation():
         message = {'content': cmd, 'subject': 'foo',
                    'display_recipient': 'bar'}
+
         class ClientDummy(object):
             def __init__(self):
                 self.output = ''
+
             def send_message(self, params):
                 self.output = params['content']
         handler = converter.ConverterHandler()

zulip/__init__.py

@@ -423,6 +423,7 @@ class Client(object):
         # type: (Callable, Optional[List[str]], Any) -> None
         if narrow is None:
             narrow = []
+
         def do_register():
             # type: () -> Tuple[str, int]
             while True: