Update app.py

app.py

@@ -66,7 +66,7 @@ def send_request(email, phone, name, pr5, pr4, pr3, pr2, pr1):
     }
 
     headers = {
-       'Content-Type': 'application/json',
+       'Content-Type': 'application/x-www-form-urlencoded',
     }
     response = requests.post(f"{base_url}", json=data, headers=headers)
     return response.json()