Update app.py

app.py

@@ -236,7 +236,8 @@ def clear_response(history):
 
 def add_message(history, message):
     # history=[]
-    global our_chatbot, chat_image_num
+    global our_chatbot
+    global chat_image_num
     if len(history) == 0:
         our_chatbot = InferenceDemo(
             args, model_path, tokenizer, model, image_processor, context_len
@@ -610,6 +611,7 @@ if __name__ == "__main__":
     tokenizer, model, image_processor, context_len = load_pretrained_model(args.model_path, args.model_base, model_name, args.load_8bit, args.load_4bit)
     print("### image_processor",image_processor)
     # print("### model",model)
+    chat_image_num = 0
     print("### tokenzier",tokenizer)
     model=model.to(torch.device('cuda'))
     our_chatbot = None