handle code clean

Signed-off-by: weijinqian_v1 <weijinqian@huawei.com>

Author: weijinqian_v1

vllm_ascend/ops/moe_dispatcher/token_dispatcher.py

@@ -33,6 +33,7 @@
 from vllm_ascend.ops.comm_utils import async_all_to_all
 from vllm_ascend.ops.moe_dispatcher.moe_utils import (
     get_capacity, permute, topk_softmax_with_capacity, unpermute)
+
 """ We use the following notation throughout this file:
      H: hidden size
      B: micro batch size