Update main.py

main.py

@@ -40,7 +40,7 @@ async def webhook(request: Request, x_line_signature: str = Header(None)):
     app.logger.info("Request body: " + body)
     try:
         print(body, signature)
-        handler.handle(body, signature)
+        line_handler.handle(body, signature)
         
     except InvalidSignatureError:
         abort(400)