@pytest.mark.skipif('''version_info < (3, 3)''')
def test_yieldFromUndefined():
    flakes('''
    def bar():
        yield from foo()
    ''', m.UndefinedName)
Try to fire up boot2docker and set any environmental variables
dataset/ETHPy150Open timothycrosley/frosted/frosted/test/test_other.py/test_yieldFromUndefined--crossover with--dataset/ETHPy150Open tethysplatform/tethys/tethys_apps/cli/docker_commands.py/get_docker_client