Update main.py

main.py

@@ -29,11 +29,11 @@ line_handler = WebhookHandler("7b9984bbc5c62445a79b95b15e34b727")
 working_status = os.getenv("DEFALUT_TALKING", default = "true").lower() == "true"
 
 @app.get("/")
- def root():
+def root():
      return {"title": "Echo Bot"}
 
- @app.post("/webhook")
- async def callback(request: Request)
+@app.post("/webhook")
+async def callback(request: Request)
     # get X-Line-Signature header value
     signature = request.headers['X-Line-Signature']
     # get request body as text