1 files changed, 3 insertions, 3 deletions
diff --git a/synapse/util/caches/dictionary_cache.py b/synapse/util/caches/dictionary_cache.py
index 56d94d96ce..3f852edd7f 100644
--- a/synapse/util/caches/dictionary_cache.py
+++ b/synapse/util/caches/dictionary_cache.py
@@ -62,13 +62,13 @@ class DictionaryCache(Generic[KT, DKT]):
     """
 
     def __init__(self, name: str, max_entries: int = 1000):
-        self.cache = LruCache(
+        self.cache: LruCache[KT, DictionaryEntry] = LruCache(
             max_size=max_entries, cache_name=name, size_callback=len
-        )  # type: LruCache[KT, DictionaryEntry]
+        )
 
         self.name = name
         self.sequence = 0
-        self.thread = None  # type: Optional[threading.Thread]
+        self.thread: Optional[threading.Thread] = None
 
     def check_thread(self) -> None:
         expected_thread = self.thread