Remove redundant pixel values logging and adjust message handling in predict function

app.py

@@ -217,18 +217,20 @@ def predict(state,
         pixel_values = None
         if image_path is not None:
             pixel_values = load_image(image_path, max_num=max_input_tiles).to(torch.bfloat16).cuda()
+            
             if pixel_values is not None:
+                logger.info(f"==== Lenght Pixel values ====\n{len(pixel_values)}")
+
                # Check the first user message to see if it is an image
                 index, first_user_message = state.get_user_message(source=state.USER, position='first')
                 if first_user_message is not None and \
                     DEFAULT_IMAGE_TOKEN not in first_user_message:
                     state.update_message(state.USER, DEFAULT_IMAGE_TOKEN + "\n" + first_user_message, None, index)
-        
+
         history = state.get_history()
         logger.info(f"====  History ====\n{history}")
         _, message = state.get_user_message(source=state.USER, position='last')
 
-        logger.info(f"==== Lenght Pixel values ====\n{len(pixel_values)}")
         
         response, conv_history = model.chat(tokenizer, 
                                             pixel_values,