[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

other/lfu_cache.py

@@ -154,6 +154,8 @@ def remove(
         node.prev = None
         node.next = None
         return node
+
+
 class LFUCache[T, U]:
     """
     LFU Cache to store a given capacity of data. Can be used as a stand-alone object