def METHOD_NAME():
    a = array([1.23, 4.56])
    s = str(Distance(au=a))
    if '[1' in s:
        # Python 3.5, says Travis CI.  No idea.
        assert s == '[1.23 4.56] au'
    else:
        # Every other version of Python.
        assert s == '[ 1.23  4.56] au'