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

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

Author: pre-commit-ci[bot]

other/lru_cache.py

@@ -52,7 +52,7 @@ def add(self, node: DoubleLinkedListNode) -> None:
         prev = self.rear.prev
         if not prev:
             raise ValueError("Invalid list state")
-        
+
         prev.next = node
         node.prev = prev
         self.rear.prev = node
@@ -62,7 +62,7 @@ def remove(self, node: DoubleLinkedListNode) -> DoubleLinkedListNode | None:
         """Remove node from list"""
         if not node.prev or not node.next:
             return None
-            
+
         node.prev.next = node.next
         node.next.prev = node.prev
         node.prev = node.next = None
@@ -123,6 +123,7 @@ def put(self, key: T, value: U) -> None:
     @classmethod
     def decorator(cls, size: int = 128) -> Callable[[Callable[P, R]], Callable[P, R]]:
         """LRU Cache decorator"""
+
         def decorator_func(func: Callable[P, R]) -> Callable[P, R]:
             cache = cls[Any, R](size)  # type: ignore[type-var]
 
@@ -137,10 +138,11 @@ def wrapper(*args: P.args, **kwargs: P.kwargs) -> R:
             # Add cache_info attribute
             wrapper.cache_info = lambda: cache  # type: ignore[attr-defined]
             return wrapper
-        
+
         return decorator_func
 
 
 if __name__ == "__main__":
     import doctest
+
     doctest.testmod()