def __init__(self, assets_dir=None, requirements_file="requirements.yml"):
        self.assets_dir = assets_dir or Path(".") / "assets"
        self.requirements = GroupedRequirements()
        self.requirements.load(requirements_file)
        self.temp_dir = mkdtemp()
def test_impl():
            df = pq.read_table('example.parquet').to_pandas()
            return (df.two.unique() == 'foo').sum()