KeyError: 'logintoken'

[MEXAHOTABOP]

after updating from 3.1.0 to 4.2.0 applications no longer starts with error

2020-03-01T13:45:02.647000123Z     wiki.login(os.environ["BOT_LOGIN"], os.environ["BOT_PASSWORD"], no_autologin)
2020-03-01T13:45:02.647004632Z   File "/usr/local/lib/python3.8/site-packages/pywikiapi/Site.py", line 233, in login
2020-03-01T13:45:02.647007888Z     lgtoken=self.token('login'))['login']
2020-03-01T13:45:02.647010873Z   File "/usr/local/lib/python3.8/site-packages/pywikiapi/Site.py", line 370, in token
2020-03-01T13:45:02.647014069Z     self.tokens[token_type] = next(res)['tokens'][token_type + 'token']
2020-03-01T13:45:02.647017115Z KeyError: 'logintoken'

i dont have time to dig in this so just rollback for now