Update main.py

main.py

@@ -63,7 +63,6 @@ async def webhook(
     return "ok"
 
 
-
 def get_image_url(message_id):
     try:
         message_content = line_bot_api.get_message_content(message_id)
@@ -169,7 +168,7 @@ def handle_image_message(event):
                 prompt = event.message.text
                 store_user_message(user_id, "text", prompt) 
                 
-                history.append([{"role": "user", "parts": [prompt]}])
+                history.append({"role": "user", "parts": [prompt]})
                 if GeneAI:
                     history.append({"role": "model", "parts": [GeneAI]})