def _test_python_python(basename):

    contents = _read_test_file(basename, 'python')
    cells = convert(contents, from_='python')
    converted = convert(cells, to='python')

    assert _diff(contents, converted) == ''
Return True if ~/viewfinder is old-style (plain directory) or False if new style (symlink).
dataset/ETHPy150Open rossant/ipymd/ipymd/formats/tests/test_python.py/_test_python_python--crossover with--dataset/ETHPy150Open viewfinderco/viewfinder/fabfile.py/is_old_code