from otree.api import ( models, widgets, BaseConstants, BaseSubsession, BaseGroup, BasePlayer, Currency as c, currency_range ) doc = 'consent form' class Constants(BaseConstants): name_in_url = 'Consent' players_per_group = None num_rounds = 1 class Subsession(BaseSubsession): def empty_method(self): pass class Group(BaseGroup): def no_method(self): pass class Player(BasePlayer): consent = models.FloatField(choices=[[1, 'Yes']], widget=widgets.RadioSelect)