Fixed flake8 warnings

Author: Relrin

auth/tests/amqp_client.py

@@ -78,8 +78,8 @@ async def send(self, payload={}, properties={}, raw_data=False):
 
         response = None
         if self.response_queue_name is not None:
-           await self.waiter.wait()
-           response = self._response
+            await self.waiter.wait()
+            response = self._response
 
         await self.protocol.close()
         self.protocol = None