def __contains__(self, field_name):
        return field_name in map(lambda pointer: pointer[1], self.get_field_names())
Parse `KeyValue` `items` into `data`, `headers`, `files`,
dataset/ETHPy150Open maraujop/django-crispy-forms/crispy_forms/bootstrap.py/Container.__contains__--crossover with--dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/httpie/input.py/parse_items