Update app.py

app.py

@@ -239,6 +239,7 @@ def add_message(history, message):
         our_chatbot = InferenceDemo(
             args, model_path, tokenizer, model, image_processor, context_len
         )
+        chat_image_num = 0
     
     if len(message["files"]) <= 1:
         for x in message["files"]:
@@ -249,6 +250,7 @@ def add_message(history, message):
             our_chatbot = InferenceDemo(
                 args, model_path, tokenizer, model, image_processor, context_len
             )
+            chat_image_num = 0
         for x in message["files"]:
             history.append(((x,), None))
             chat_image_num += 1
@@ -258,7 +260,6 @@ def add_message(history, message):
     else:
         for x in message["files"]:
             history.append(((x,), None))
-            chat_image_num += len(message["files"])
         if message["text"] is not None:
             history.append((message["text"], None))