can not authenticate using username and pass

[outovhush]

using linkedin_api-2.3.1, with refresh_cookies=True (otherwise it tries to authenticate with the saved cookies)
have been getting repeatedly:
DEBUG:linkedin_api.client:Requesting new cookies.
DEBUG:urllib3.connectionpool:Starting new HTTPS connection (1): www.linkedin.com:443
DEBUG:urllib3.connectionpool:https://www.linkedin.com:443 "GET /uas/authenticate HTTP/11" 200 46
DEBUG:urllib3.connectionpool:Starting new HTTPS connection (1): www.linkedin.com:443
DEBUG:urllib3.connectionpool:https://www.linkedin.com:443 "POST /uas/authenticate HTTP/11" 401 242
error!