diff --git a/synapse/util/caches/stream_change_cache.py b/synapse/util/caches/stream_change_cache.py
index 644e9e778a..e81e468899 100644
--- a/synapse/util/caches/stream_change_cache.py
+++ b/synapse/util/caches/stream_change_cache.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
@@ -15,11 +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__)
|
