[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

@@ -199,7 +199,6 @@ class LFUCache(Generic[T, U]):
     # class variable to map the decorator functions to their respective instance
     decorator_function_to_instance_map: dict[Callable[[T], U], LFUCache[T, U]] = {}  # noqa: RUF012
 
-
     def __init__(self, capacity: int):
         self.list: DoubleLinkedList[T, U] = DoubleLinkedList()
         self.capacity = capacity