nixops-digitalocean pip TypeError module object is not callable

gistfile1.txt

[EnvCommandError]
Command ['/home/kiwi/.cache/pypoetry/virtualenvs/nixops-digitalocean-qlJ0ef4e-py3.7/bin/pip', 'uninstall', 'nixops', '-y'] errored with the following return code 1, and output:
Traceback (most recent call last):
  File "/home/kiwi/.cache/pypoetry/virtualenvs/nixops-digitalocean-qlJ0ef4e-py3.7/bin/pip", line 10, in <module>
    sys.exit(main())
TypeError: 'module' object is not callable