diff options
Diffstat (limited to 'synapse/util/caches')
| -rw-r--r-- | synapse/util/caches/lrucache.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/synapse/util/caches/lrucache.py b/synapse/util/caches/lrucache.py index 05c4dcb062..eb96f7e665 100644 --- a/synapse/util/caches/lrucache.py +++ b/synapse/util/caches/lrucache.py @@ -271,7 +271,10 @@ class _Node(Generic[KT, VT]): removed from all lists. """ cache = self._cache() - if not cache or not cache.pop(self.key, None): + if ( + cache is None + or cache.pop(self.key, _Sentinel.sentinel) is _Sentinel.sentinel + ): # `cache.pop` should call `drop_from_lists()`, unless this Node had # already been removed from the cache. self.drop_from_lists() |