diff options
Diffstat (limited to 'synapse/util/caches/lrucache.py')
| -rw-r--r-- | synapse/util/caches/lrucache.py | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/synapse/util/caches/lrucache.py b/synapse/util/caches/lrucache.py index 4b9d0433ff..5c65d187b6 100644 --- a/synapse/util/caches/lrucache.py +++ b/synapse/util/caches/lrucache.py @@ -90,8 +90,7 @@ def enumerate_leaves(node, depth): yield node else: for n in node.values(): - for m in enumerate_leaves(n, depth - 1): - yield m + yield from enumerate_leaves(n, depth - 1) P = TypeVar("P") @@ -226,7 +225,7 @@ class _Node: # footprint down. Storing `None` is free as its a singleton, while empty # lists are 56 bytes (and empty sets are 216 bytes, if we did the naive # thing and used sets). - self.callbacks = None # type: Optional[List[Callable[[], None]]] + self.callbacks: Optional[List[Callable[[], None]]] = None self.add_callbacks(callbacks) @@ -362,15 +361,15 @@ class LruCache(Generic[KT, VT]): # register_cache might call our "set_cache_factor" callback; there's nothing to # do yet when we get resized. - self._on_resize = None # type: Optional[Callable[[],None]] + self._on_resize: Optional[Callable[[], None]] = None if cache_name is not None: - metrics = register_cache( + metrics: Optional[CacheMetric] = register_cache( "lru_cache", cache_name, self, collect_callback=metrics_collection_callback, - ) # type: Optional[CacheMetric] + ) else: metrics = None |