Make modeling_internvl_chat.py compatible with transformers v5

modeling_internvl_chat.py

@@ -86,6 +86,10 @@ class InternVLChatModel(PreTrainedModel):
         self.conv_template = get_conv_template(self.template)
         self.system_message = self.conv_template.system_message
 
+        # Required by transformers v5: populates `all_tied_weights_keys`,
+        # tp/ep/pp plans, `_keep_in_fp32_modules`, and runs final weight init.
+        self.post_init()
+
     def forward(
             self,
             pixel_values: torch.FloatTensor,