[Bugfix] Fix the issue that Blip2ForConditionalGeneration' object has… (#24028)

Signed-off-by: Dazhi Jiang <dazhi_jiang@163.com>

vllm/model_executor/models/blip2.py

@@ -560,8 +560,8 @@ class Blip2ForConditionalGeneration(nn.Module, SupportsMultiModal, SupportsPP,
         self.make_empty_intermediate_tensors = (
             self.language_model.make_empty_intermediate_tensors)
 
-    def _create_image_input(self,
-                            **kwargs: object) -> Optional[Blip2ImageInputs]:
+    def _parse_and_validate_image_input(
+            self, **kwargs: object) -> Optional[Blip2ImageInputs]:
         pixel_values = kwargs.pop("pixel_values", None)
         image_embeds = kwargs.pop("image_embeds", None)