from otree.api import * doc = """ Your app description """ class C(BaseConstants): NAME_IN_URL = 'welcome' PLAYERS_PER_GROUP = None NUM_ROUNDS = 1 class Subsession(BaseSubsession): pass class Group(BaseGroup): pass class Player(BasePlayer): pass class HeadPage(Page): pass # PAGES class Welcome(Page): pass class Welcome2(Page): pass class Blank(Page): pass page_sequence = [HeadPage, Welcome, Welcome2, Blank]