1 files changed, 1 insertions, 2 deletions
diff --git a/synapse/handlers/device.py b/synapse/handlers/device.py
index c1d7800981..34d39e3b44 100644
--- a/synapse/handlers/device.py
+++ b/synapse/handlers/device.py
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import logging
-from typing import TYPE_CHECKING, Dict, Iterable, List, Optional, Set, Tuple
+from typing import TYPE_CHECKING, Collection, Dict, Iterable, List, Optional, Set, Tuple
 
 from synapse.api import errors
 from synapse.api.constants import EventTypes
@@ -28,7 +28,6 @@ from synapse.api.errors import (
 from synapse.logging.opentracing import log_kv, set_tag, trace
 from synapse.metrics.background_process_metrics import run_as_background_process
 from synapse.types import (
-    Collection,
     JsonDict,
     StreamToken,
     UserID,