diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index d6038d9995..873f6bc39f 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -19,10 +19,9 @@
import itertools
import logging
+from http import HTTPStatus
from typing import Dict, Iterable, List, Optional, Sequence, Tuple
-from six.moves import http_client, zip
-
import attr
from signedjson.key import decode_verify_key_bytes
from signedjson.sign import verify_signed_json
@@ -1194,7 +1193,7 @@ class FederationHandler(BaseHandler):
ev.event_id,
len(ev.prev_event_ids()),
)
- raise SynapseError(http_client.BAD_REQUEST, "Too many prev_events")
+ raise SynapseError(HTTPStatus.BAD_REQUEST, "Too many prev_events")
if len(ev.auth_event_ids()) > 10:
logger.warning(
@@ -1202,7 +1201,7 @@ class FederationHandler(BaseHandler):
ev.event_id,
len(ev.auth_event_ids()),
)
- raise SynapseError(http_client.BAD_REQUEST, "Too many auth_events")
+ raise SynapseError(HTTPStatus.BAD_REQUEST, "Too many auth_events")
async def send_invite(self, target_host, event):
""" Sends the invite to the remote server for signing.
@@ -1545,7 +1544,7 @@ class FederationHandler(BaseHandler):
# block any attempts to invite the server notices mxid
if event.state_key == self._server_notices_mxid:
- raise SynapseError(http_client.FORBIDDEN, "Cannot invite this user")
+ raise SynapseError(HTTPStatus.FORBIDDEN, "Cannot invite this user")
# keep a record of the room version, if we don't yet know it.
# (this may get overwritten if we later get a different room version in a
|