authntication.py TabError: inconsistent use of tabs and spaces in indentation

[lozbrown]

Suddenly getting this issue with ubuntu 18:04 gateone installed with pip3

root@gravity:~# /usr/local/bin/gateone Traceback (most recent call last): File "/usr/local/bin/gateone", line 11, in load_entry_point('gateone==1.2.0', 'console_scripts', 'gateone')() File "/usr/lib/python3/dist-packages/pkg_resources/init.py", line 480, in load_entry_point return get_distribution(dist).load_entry_point(group, name) File "/usr/lib/python3/dist-packages/pkg_resources/init.py", line 2693, in load_entry_point return ep.load() File "/usr/lib/python3/dist-packages/pkg_resources/init.py", line 2324, in load return self.resolve() File "/usr/lib/python3/dist-packages/pkg_resources/init.py", line 2330, in resolve module = import(self.module_name, fromlist=['name'], level=0) File "/usr/local/lib/python3.6/dist-packages/gateone/core/server.py", line 398, in from gateone.auth.authentication import NullAuthHandler, KerberosAuthHandler File "/usr/local/lib/python3.6/dist-packages/gateone/auth/authentication.py", line 648 next_param = "" ^ TabError: inconsistent use of tabs and spaces in indentation

[lozbrown]

Same applies after installing from a git clone