def METHOD_NAME():
    """Execute juju models.
    NOTE: Excuting the juju models command updates the local cache of models.
    Python-juju currently does not update the local cache on add model.
    https://github.com/juju/python-libjuju/issues/267
    :returns: None
    :rtype: None
    """
    cmd = ["juju", "models"]
    subprocess.check_call(cmd)