pep8

synapse/handlers/federation.py

@@ -169,11 +169,8 @@ class FederationHandler(BaseHandler):
                 defer.returnValue(None)
 
         state = None
-
         auth_chain = []
 
-        fetch_state = False
-
         # Get missing pdus if necessary.
         if not pdu.internal_metadata.is_outlier():
             # We only backfill backwards to the min depth.
@@ -252,9 +249,10 @@ class FederationHandler(BaseHandler):
                     # Ask the remote server for the states we don't
                     # know about
                     for p in prevs - seen:
-                        state, got_auth_chain = yield self.replication_layer.get_state_for_room(
-                            origin, pdu.room_id, p
-                        )
+                        state, got_auth_chain = (
+                            yield self.replication_layer.get_state_for_room(
+                                origin, pdu.room_id, p
+                        ))
                         auth_chains.update(got_auth_chain)
                         state_group = {(x.type, x.state_key): x.event_id for x in state}
                         state_groups.append(state_group)

tests/test_federation.py

@@ -1,18 +1,15 @@
 
-from twisted.internet.defer import Deferred, succeed, maybeDeferred
+from twisted.internet.defer import succeed, maybeDeferred
 
 from synapse.util import Clock
 from synapse.events import FrozenEvent
 from synapse.types import Requester, UserID
-from synapse.replication.slave.storage.events import SlavedEventStore
 
 from tests import unittest
-from tests.server import make_request, setup_test_homeserver, ThreadedMemoryReactorClock
+from tests.server import setup_test_homeserver, ThreadedMemoryReactorClock
 
 from mock import Mock
 
-from synapse.api.errors import CodeMessageException, HttpResponseException
-
 
 class MessageAcceptTests(unittest.TestCase):
     def setUp(self):