How to use the gita.utils.describe function in gita

def test_describe(test_input, diff_return, expected, monkeypatch):
    monkeypatch.setattr(info, 'get_head', lambda x: 'repo')
    monkeypatch.setattr(info, 'run_quiet_diff', lambda _: diff_return)
    monkeypatch.setattr(info, 'get_commit_msg', lambda _: "msg")
    monkeypatch.setattr(info, 'has_untracked', lambda: True)
    monkeypatch.setattr('os.chdir', lambda x: None)
    print('expected: ', repr(expected))
    print('got:      ', repr(next(utils.describe(test_input))))
    assert expected == next(utils.describe(test_input))

def test_describe(test_input, diff_return, expected, monkeypatch):
    monkeypatch.setattr(info, 'get_head', lambda x: 'repo')
    monkeypatch.setattr(info, 'run_quiet_diff', lambda _: diff_return)
    monkeypatch.setattr(info, 'get_commit_msg', lambda _: "msg")
    monkeypatch.setattr(info, 'has_untracked', lambda: True)
    monkeypatch.setattr('os.chdir', lambda x: None)
    print('expected: ', repr(expected))
    print('got:      ', repr(next(utils.describe(test_input))))
    assert expected == next(utils.describe(test_input))

def f_ll(args: argparse.Namespace):
    """
    Display details of all repos
    """
    repos = utils.get_repos()
    if args.group:  # only display repos in this group
        group_repos = utils.get_groups()[args.group]
        repos = {k: repos[k] for k in group_repos if k in repos}
    for line in utils.describe(repos):
        print(line)