[Core] Remove unused `num_tokens` parameter from `_init_model_kwargs` (#31517)

Signed-off-by: maang <maang_h@163.com>

vllm/v1/worker/gpu_model_runner.py

@@ -684,7 +684,7 @@ class GPUModelRunner(
             with_numpy=numpy,
         )
 
-    def _init_model_kwargs(self, num_tokens: int):
+    def _init_model_kwargs(self):
         model_kwargs = dict[str, Any]()
 
         if not self.is_pooling_model:
@@ -2579,7 +2579,7 @@ class GPUModelRunner(
 
             input_ids, inputs_embeds = self._prepare_mm_inputs(num_input_tokens)
             model_kwargs = {
-                **self._init_model_kwargs(num_scheduled_tokens),
+                **self._init_model_kwargs(),
                 **self._extract_mm_kwargs(scheduler_output),
             }
         elif self.enable_prompt_embeds and is_first_rank:
@@ -2607,7 +2607,7 @@ class GPUModelRunner(
                 self.inputs_embeds.gpu[token_ids_idx] = tokens_to_embeds
 
             inputs_embeds = self.inputs_embeds.gpu[:num_input_tokens]
-            model_kwargs = self._init_model_kwargs(num_input_tokens)
+            model_kwargs = self._init_model_kwargs()
             input_ids = None
         else:
             # For text-only models, we use token ids as input.
@@ -2616,7 +2616,7 @@ class GPUModelRunner(
             # then the embedding layer is not included in the CUDA graph.
             input_ids = self.input_ids.gpu[:num_input_tokens]
             inputs_embeds = None
-            model_kwargs = self._init_model_kwargs(num_input_tokens)
+            model_kwargs = self._init_model_kwargs()
 
         if self.uses_mrope:
             positions = self.mrope_positions.gpu[:, :num_input_tokens]
@@ -4293,7 +4293,7 @@ class GPUModelRunner(
         ):
             # Make sure padding doesn't exceed max_num_tokens
             assert num_tokens_padded <= self.max_num_tokens
-            model_kwargs = self._init_model_kwargs(num_tokens_padded)
+            model_kwargs = self._init_model_kwargs()
             if self.supports_mm_inputs and not self.model_config.is_encoder_decoder:
                 input_ids, inputs_embeds = self._prepare_mm_inputs(num_tokens_padded)
 
@@ -4304,7 +4304,7 @@ class GPUModelRunner(
             elif self.enable_prompt_embeds:
                 input_ids = None
                 inputs_embeds = self.inputs_embeds.gpu[:num_tokens_padded]
-                model_kwargs = self._init_model_kwargs(num_tokens_padded)
+                model_kwargs = self._init_model_kwargs()
             else:
                 input_ids = self.input_ids.gpu[:num_tokens_padded]
                 inputs_embeds = None