clean code

Signed-off-by: shikang-hangzhou <459956190@qq.com>

Author: shikang-hangzhou

vllm_ascend/multistream/ms_split.py

@@ -72,8 +72,9 @@ def model_input_split_v1_mla_attn(
             attn_metadata.query_lens):
         return [attn_metadata]
 
-    query_start_loc_cpu: Any = np.zeros(shape=(len(attn_metadata.query_lens) + 1, ),
-                                   dtype=int)
+    query_start_loc_cpu: Any = np.zeros(shape=(len(attn_metadata.query_lens) +
+                                               1, ),
+                                        dtype=int)
     np.cumsum(attn_metadata.query_lens, out=query_start_loc_cpu[1:])
     if attn_metadata.num_prefills > 0:
         prefill_query_start_loc: Any = np.zeros(