diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index 2abd63ad05..f67512078b 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -15,23 +15,20 @@
# limitations under the License.
"""Contains functions for performing events on rooms."""
-from twisted.internet import defer
+import logging
+import math
+import string
+from collections import OrderedDict
-from ._base import BaseHandler
+from twisted.internet import defer
-from synapse.types import UserID, RoomAlias, RoomID, RoomStreamToken
-from synapse.api.constants import (
- EventTypes, JoinRules, RoomCreationPreset
-)
-from synapse.api.errors import AuthError, StoreError, SynapseError
+from synapse.api.constants import EventTypes, JoinRules, RoomCreationPreset
+from synapse.api.errors import AuthError, Codes, StoreError, SynapseError
+from synapse.types import RoomAlias, RoomID, RoomStreamToken, UserID
from synapse.util import stringutils
from synapse.visibility import filter_events_for_client
-from collections import OrderedDict
-
-import logging
-import math
-import string
+from ._base import BaseHandler
logger = logging.getLogger(__name__)
@@ -115,7 +112,11 @@ class RoomCreationHandler(BaseHandler):
)
if mapping:
- raise SynapseError(400, "Room alias already taken")
+ raise SynapseError(
+ 400,
+ "Room alias already taken",
+ Codes.ROOM_IN_USE
+ )
else:
room_alias = None
|