from otree.api import ( models, widgets, BaseConstants, BaseSubsession, BaseGroup, BasePlayer, Currency as c, currency_range, ) author = 'Christian König gen. Kersting' doc = """ ReCaptcha Demo """ class Constants(BaseConstants): name_in_url = 'delayed_captcha' players_per_group = None num_rounds = 1 class Subsession(BaseSubsession): pass class Group(BaseGroup): pass class Player(BasePlayer): captcha = models.CharField(blank=True) captcha_necessary = models.BooleanField(initial=True)