diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index cbadf3c88e..f27f4d3546 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -16,32 +16,29 @@
import logging
import sys
-from canonicaljson import encode_canonical_json, json
import six
-from six import string_types, itervalues, iteritems
+from six import iteritems, itervalues, string_types
+
+from canonicaljson import encode_canonical_json, json
+
from twisted.internet import defer
from twisted.internet.defer import succeed
from twisted.python.failure import Failure
-from synapse.api.constants import EventTypes, Membership, MAX_DEPTH
-from synapse.api.errors import (
- AuthError, Codes, SynapseError,
- ConsentNotGivenError,
-)
+from synapse.api.constants import MAX_DEPTH, EventTypes, Membership
+from synapse.api.errors import AuthError, Codes, ConsentNotGivenError, SynapseError
from synapse.api.urls import ConsentURIBuilder
from synapse.crypto.event_signing import add_hashes_and_signatures
from synapse.events.utils import serialize_event
from synapse.events.validator import EventValidator
-from synapse.types import (
- UserID, RoomAlias, RoomStreamToken,
-)
-from synapse.util.async import ReadWriteLock, Limiter
+from synapse.replication.http.send_event import send_event_to_master
+from synapse.types import RoomAlias, RoomStreamToken, UserID
+from synapse.util.async import Limiter, ReadWriteLock
+from synapse.util.frozenutils import frozendict_json_encoder
from synapse.util.logcontext import run_in_background
from synapse.util.metrics import measure_func
-from synapse.util.frozenutils import frozendict_json_encoder
from synapse.util.stringutils import random_string
from synapse.visibility import filter_events_for_client
-from synapse.replication.http.send_event import send_event_to_master
from ._base import BaseHandler
|