Fix

Signed-off-by: Woosuk Kwon <woosuk.kwon@berkeley.edu>

Author: WoosukKwon

vllm/v1/attention/backends/flash_attn.py

@@ -85,7 +85,7 @@ def __init__(
         if sliding_window is None:
             self.sliding_window = (-1, -1)
         else:
-            self.sliding_window = ((sliding_window - 1, 0))
+            self.sliding_window = (sliding_window - 1, 0)
         self.kv_cache_dtype = kv_cache_dtype
         if logits_soft_cap is None:
             # In flash-attn, setting logits_soft_cap as 0 means no soft cap.