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-rw-r--r--synapse/util/caches/stream_change_cache.py3
1 files changed, 1 insertions, 2 deletions
diff --git a/synapse/util/caches/stream_change_cache.py b/synapse/util/caches/stream_change_cache.py
index 0469e7d120..e81e468899 100644
--- a/synapse/util/caches/stream_change_cache.py
+++ b/synapse/util/caches/stream_change_cache.py
@@ -14,11 +14,10 @@
 
 import logging
 import math
-from typing import Dict, FrozenSet, List, Mapping, Optional, Set, Union
+from typing import Collection, Dict, FrozenSet, List, Mapping, Optional, Set, Union
 
 from sortedcontainers import SortedDict
 
-from synapse.types import Collection
 from synapse.util import caches
 
 logger = logging.getLogger(__name__)