Hi,

I was trying to use the openstack environment using the v3 client API as mentioned in [2] documentation but ended up with an error as mentioned in [1]. 

I can access the same environment v3 API using curl.  
Am I missing something?

[1] https://paste.opendev.org/show/810336/
[2] https://docs.openstack.org/python-keystoneclient/latest/using-api-v3.html

Regards,
Danishka