pep8 cleanup

Author: mambocab

cassandra/cluster.py

@@ -1118,7 +1118,6 @@ def add_execution_profile(self, name, profile, pool_wait_timeout=5):
         if not_done:
             raise OperationTimedOut("Failed to create all new connection pools in the %ss timeout.")
 
-
     def get_min_requests_per_connection(self, host_distance):
         return self._min_requests_per_connection[host_distance]
 
@@ -2061,7 +2060,6 @@ def default_serial_consistency_level(self, cl):
     .. versionadded:: 3.8.0
     """
 
-
     encoder = None
     """
     A :class:`~cassandra.encoder.Encoder` instance that will be used when
@@ -2251,7 +2249,6 @@ def _create_response_future(self, query, parameters, trace, custom_payload, time
             load_balancing_policy = execution_profile.load_balancing_policy
             spec_exec_policy = execution_profile.speculative_execution_policy
 
-
         fetch_size = query.fetch_size
         if fetch_size is FETCH_SIZE_UNSET and self._protocol_version >= 2:
             fetch_size = self.default_fetch_size

tests/integration/simulacron/__init__.py

@@ -56,4 +56,3 @@ def tearDownClass(cls):
         if cls.cluster:
             cls.cluster.shutdown()
         stop_simulacron()
-