[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

@@ -45,7 +45,7 @@ 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
@@ -55,7 +55,7 @@ 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
@@ -116,25 +116,27 @@ 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]:
             # Create non-generic cache instance
             cache = cls(size)  # type: ignore[assignment]
-            
+
             @wraps(func)
             def wrapper(*args: P.args, **kwargs: P.kwargs) -> R:
                 key = (args, tuple(sorted(kwargs.items())))
                 if (result := cache.get(key)) is None:
                     result = func(*args, **kwargs)
                     cache.put(key, result)
                 return result
-            
+
             # 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()