recon Recon Scan API return "Module returned empty response"

[Rainybow]

use python api to scan,return {'error': 'Module returned empty response'}

device:NANO 2.4.2

python :

payload: {"apiToken": "c1e60aafbaff57574dc141a6be5050f32aef704825727150180a507bc0c4b336d1ed529218cbff41f222fd404236ffc4c255f147c5f03e2b05acb4f6ee868154", "system": "notifications", "action": "addNotification", "message": "Hello API"}
url: http://172.16.42.1:1471/api/
headers: {'User-Agent': 'PyPapple v0.1', 'Content-Type': 'application/json', 'Accept': 'application/json,'}
{'success': True}
payload: {"apiToken": "c1e60aafbaff57574dc141a6be5050f32aef704825727150180a507bc0c4b336d1ed529218cbff41f222fd404236ffc4c255f147c5f03e2b05acb4f6ee868154", "system": "notifications", "action": "listNotifications"}
url: http://172.16.42.1:1471/api/
headers: {'User-Agent': 'PyPapple v0.1', 'Content-Type': 'application/json', 'Accept': 'application/json,'}
[{'message': 'Hello API', 'time': '2019-03-23 14:31:29'}]
payload: {"apiToken": "c1e60aafbaff57574dc141a6be5050f32aef704825727150180a507bc0c4b336d1ed529218cbff41f222fd404236ffc4c255f147c5f03e2b05acb4f6ee868154", "module": "Recon", "action": "startScan", "scanType": "apOnly", "scanDuration": 10}
url: http://172.16.42.1:1471/api/
headers: {'User-Agent': 'PyPapple v0.1', 'Content-Type': 'application/json', 'Accept': 'application/json,'}
{'error': 'Module returned empty response'}

 

[computerist]

Receiving (or lack there of) same issue. Immediately after upgrade, I receive nothing doing recon. I connect both through Linux and Windows same response. Nano is functioning otherwise, I use it as my USB WiFi.