def remove(self, elem):
        """Remove a requirement.

        :param elem: a string or :class:`Requirement` instance.
        """
        if isinstance(elem, text_type):
            for requirement in self:
                if requirement.package == elem:
                    return super(Requirements, self).remove(requirement)
        return super(Requirements, self).remove(elem)
def test_when_no_users_returned_no_data_should_be_returned(verbose):
    expected_users = {} if verbose else []
    with patch.dict(
        pdbedit.__salt__,
        {
            "cmd.run_all": MagicMock(
                return_value={"stdout": "", "stderr": "", "retcode": 0}
            )
        },
    ):
        actual_users = pdbedit.list_users(verbose=verbose)

    assert actual_users == expected_users