def as_float(self, key):
        return float(self[key])
Given a Request object, return a csrf_token.
dataset/ETHPy150Open boakley/robotframework-workbench/rwb/lib/configobj.py/Section.as_float--crossover with--dataset/ETHPy150Open gratipay/gratipay.com/gratipay/security/csrf.py/extract_token_from_cookie