Update main.py

main.py

@@ -125,7 +125,7 @@ def get_image_url(message_id):
         print(f"Error getting image content: {e}")
         return None
         
-@handler.add(MessageEvent, message=ImageMessage)
+@line_handler.add(MessageEvent, message=ImageMessage)
 def handle_image_message(event):
     image_url = get_image_url(event.message.id)
     if not image_url:
@@ -141,7 +141,7 @@ def handle_image_message(event):
     user_id = event.source.user_id
     user_sessions[user_id] = {"image_url": image_url}
 
-@handler.add(MessageEvent, message=TextMessage)
+@line_handler.add(MessageEvent, message=TextMessage)
 def handle_text_message(event):
     user_id = event.source.user_id
     if user_id in user_sessions and "image_url" in user_sessions[user_id]: