1 files changed, 1 insertions, 2 deletions
diff --git a/synapse/storage/prepare_database.py b/synapse/storage/prepare_database.py
index 05a9355974..7a2cbee426 100644
--- a/synapse/storage/prepare_database.py
+++ b/synapse/storage/prepare_database.py
@@ -17,7 +17,7 @@ import logging
 import os
 import re
 from collections import Counter
-from typing import Generator, Iterable, List, Optional, TextIO, Tuple
+from typing import Collection, Generator, Iterable, List, Optional, TextIO, Tuple
 
 import attr
 from typing_extensions import Counter as CounterType
@@ -27,7 +27,6 @@ from synapse.storage.database import LoggingDatabaseConnection
 from synapse.storage.engines import BaseDatabaseEngine
 from synapse.storage.engines.postgres import PostgresEngine
 from synapse.storage.types import Cursor
-from synapse.types import Collection
 
 logger = logging.getLogger(__name__)