# We moved the otree.widgets module to otree.forms.widgets # prior to adding otree.api in September 2016, each models.py contained: # "from otree import widgets" from logging import getLogger logger = getLogger(__name__) MSG_NEW_IMPORTS = ''' otree.widgets does not exist anymore. You should update your imports in models.py to: from otree.api import ( models, widgets, BaseConstants, BaseSubsession, BaseGroup, BasePlayer, Currency as c, currency_range ) ''' logger.warning(MSG_NEW_IMPORTS) from .forms.widgets import *