Fix literal

1 files changed, 2 insertions, 12 deletions

diff --git a/synapse/util/caches/dictionary_cache.py b/synapse/util/caches/dictionary_cache.py
index ef4483421e..810b8bb716 100644
--- a/synapse/util/caches/dictionary_cache.py
+++ b/synapse/util/caches/dictionary_cache.py
@@ -14,20 +14,10 @@
 import enum
 import logging
 import threading
-from typing import (
-    Any,
-    Dict,
-    Generic,
-    Iterable,
-    Literal,
-    Optional,
-    Set,
-    Tuple,
-    TypeVar,
-    Union,
-)
+from typing import Any, Dict, Generic, Iterable, Optional, Set, Tuple, TypeVar, Union
 
 import attr
+from typing_extensions import Literal
 
 from synapse.util.caches.lrucache import LruCache
 from synapse.util.caches.treecache import TreeCache, iterate_tree_cache_items