from otree.api import ( models, widgets, BaseConstants, BaseSubsession, BaseGroup, BasePlayer, Currency as c, currency_range ) author = 'Your name here' doc = """ Your app description """ class Constants(BaseConstants): name_in_url = 'petition' players_per_group = None num_rounds = 1 class Subsession(BaseSubsession): pass class Group(BaseGroup): pass class Player(BasePlayer): petition_1 = models.CharField( blank=True ) petition_2 = models.CharField( blank=True ) petition_3 = models.CharField( blank=True ) petition_4 = models.CharField( blank=True ) petition_5 = models.CharField( blank=True ) petition_6 = models.CharField( blank=True ) petition_7 = models.CharField( blank=True ) petition_8 = models.CharField( blank=True ) petition_9 = models.CharField( blank=True ) petition_10 = models.CharField( blank=True ) email_petition = models.CharField( blank=True )