fix

modeling_phi4mm.py

@@ -2100,6 +2100,7 @@ class Phi4MMForCausalLM(Phi4MMPreTrainedModel, GenerationMixin):
             output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
         )
         return_dict = return_dict if return_dict is not None else self.config.use_return_dict
+        num_logits_to_keep = num_logits_to_keep if num_logits_to_keep is not None else 0
 
         if isinstance(input_mode, torch.Tensor):
             # len(input_mode) == num_beams in beam search, and all elements of input_mode should have the same value