Fix format for a file

Author: ck-intel

benchmark/bench_flash_attn.py

@@ -127,9 +127,7 @@ def benchmark(
     max_seqlen_q = q_seq_length
     window_size = (-1, -1) if not local else torch.randint(0, kv_seq_length, (2,))
 
-    sinks = (
-        torch.randn(num_heads, device=device, dtype=dtype) if use_sinks else None
-    )
+    sinks = torch.randn(num_heads, device=device, dtype=dtype) if use_sinks else None
 
     softmax_scale = 1.0 / (head_dim**0.5)