In this function Linkedin(email, password) getting linkedin_api.challenge.exception issue on the server

[s]

My one linkedin credential is working on EC2 server and for other linkedin credentials getting exception challenge.
And when I use my credentials it works for 2-3 weeks without any issue, but after some time gives a challenge exception then again after 1 week works API.

[Jens Idelberger]

Got the same problem on pythonanywhere.