Update app.py

app.py

@@ -76,7 +76,6 @@ def send_request(email, phone, name, pr5, pr4, pr3, pr2, pr1):
 
     headers = {
        'Content-Type': 'application/json',
-       'Accept': 'application/json'
     }
     response = requests.post(f"{base_url}/email/lists/{list_id}/recipients", json=data, headers=headers)
     return response.json()