[Bugfix] Loosen type check to avoid errors in V1 (#15021)

Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>

vllm/model_executor/models/glm4v.py

@@ -578,7 +578,7 @@ class GLM4VForCausalLM(ChatGLMBaseModel, SupportsLoRA, SupportsPP,
         pixel_values = kwargs.pop("pixel_values", None)
 
         if pixel_values is not None:
-            if not isinstance(pixel_values, torch.Tensor):
+            if not isinstance(pixel_values, (torch.Tensor, list)):
                 raise ValueError("Incorrect type of pixel values. "
                                  f"Got type: {type(pixel_values)}")