format fix

Signed-off-by: xuyexiong <xuyexiong@huawei.com>

Author: JC-ut0

vllm_ascend/worker/model_runner_v1.py

@@ -594,7 +594,7 @@ def _set_up_drafter(self):
         self.discard_request_indices = self._make_buffer(self.max_num_reqs,
                                                          dtype=torch.int64)
         self.num_discarded_requests = 0
-    
+
     def _get_drafter(self):
         return get_spec_decode_method(self.speculative_config.method,
                                       self.vllm_config, self.device, self)