Update app.py

app.py

@@ -77,7 +77,7 @@ def send_request(email, phone, name, pr5, pr4, pr3, pr2, pr1):
     headers = {
        'Content-Type': 'application/json',
     }
-    response = requests.post(f"{base_url}/email/lists/{list_id}/recipients", json=data, headers=headers)
+    response = requests.post(f"{base_url}/email/lists/{list_id}/recipients", json=data)
     return response.json()
 
 @app.route('/incoming', methods=['POST'])