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

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

vllm/model_executor/models/deepseek_vl2.py

@@ -478,7 +478,7 @@ class DeepseekVLV2ForCausalLM(nn.Module, SupportsMultiModal, SupportsPP):
                     flatten_bn(images_spatial_crop, concat=True)))
 
         if image_embeds is not None:
-            if not isinstance(image_embeds, torch.Tensor):
+            if not isinstance(image_embeds, (torch.Tensor, list)):
                 raise ValueError("Incorrect type of image embeddings. "
                                  f"Got type: {type(image_embeds)}")