URL without scheme raises uncaught MissingSchema exception

[pederhan]

[pederhan@auspex ~]$ mreg-cli --url example.com
Traceback (most recent call last):
  File "run.py", line 21, in <module>
  File "mreg_cli/main.py", line 150, in main
  File "mreg_cli/utilities/api.py", line 117, in try_token_or_login
  File "requests/sessions.py", line 602, in get
  File "requests/sessions.py", line 575, in request
  File "requests/sessions.py", line 484, in prepare_request
  File "requests/models.py", line 367, in prepare
  File "requests/models.py", line 438, in prepare_url
requests.exceptions.MissingSchema: Invalid URL '/api/v1/hosts/': No scheme supplied. Perhaps you meant https:///api/v1/hosts/?