Update modeling_visual_language.py

Author: openvino-dev-samples

optimum/intel/openvino/modeling_visual_language.py

@@ -979,6 +979,13 @@ def preprocess_inputs(
         Preprocess input instruction and an image.
         """
 
+    # modified from https://github.com/huggingface/transformers/blob/v4.55.0/src/transformers/generation/utils.py#L1992
+    def _prepare_cache_for_generation(self, *args, **kwargs):
+        """
+        This function is used to prepare the cache : when calling `generate` before the first inference, an instance of `DynamicCache` will be created.
+        For OVModel, we don't want model_kwargs to be updated before generation.
+        """
+        return
 
 class _OVLlavaForCausalLM(OVModelForVisualCausalLM):
     def __init__(