1 files changed, 2 insertions, 2 deletions
diff --git a/synapse/storage/databases/main/devices.py b/synapse/storage/databases/main/devices.py
index b204875580..9be713399f 100644
--- a/synapse/storage/databases/main/devices.py
+++ b/synapse/storage/databases/main/devices.py
@@ -15,7 +15,7 @@
 # limitations under the License.
 import abc
 import logging
-from typing import Any, Dict, Iterable, List, Optional, Set, Tuple
+from typing import Any, Collection, Dict, Iterable, List, Optional, Set, Tuple
 
 from synapse.api.errors import Codes, StoreError
 from synapse.logging.opentracing import (
@@ -31,7 +31,7 @@ from synapse.storage.database import (
     LoggingTransaction,
     make_tuple_comparison_clause,
 )
-from synapse.types import Collection, JsonDict, get_verify_key_from_cross_signing_key
+from synapse.types import JsonDict, get_verify_key_from_cross_signing_key
 from synapse.util import json_decoder, json_encoder
 from synapse.util.caches.descriptors import cached, cachedList
 from synapse.util.caches.lrucache import LruCache