diff --git a/vllm/v1/kv_cache_interface.py b/vllm/v1/kv_cache_interface.py
index 359b5c520d44d..7a7bb9036211b 100644
--- a/vllm/v1/kv_cache_interface.py
+++ b/vllm/v1/kv_cache_interface.py
@@ -88,7 +88,7 @@ class FullAttentionSpec(AttentionSpec):
     attention in model runner.
     In this case, we use FullAttentionSpec and record the sliding window size.
     """
-    
+
     head_size_v: int | None = None
 
     sliding_window: int | None = None