def test_style_transfer_empty():
    r = visualization._transfer_style({'class': 'dashed great'}, {'something': 'else'})
    assert (r['class'] == 'dashed')
def test_style_transfer_empty():
    r = visualization._transfer_style({'class': 'dashed great'}, {'something': 'else'})
    assert (r['class'] == 'dashed')