# Taken & modified from https://github.com/chapkovski/otree_tools from django import forms class NoCheckboxCheckbox(forms.CheckboxSelectMultiple): input_type = 'radiobutton' template_name = 'otree_tools/multiple_choice_select.html' option_template_name = 'otree_tools/multiple_choice_option.html' def build_attrs(self, base_attrs, extra_attrs=None): b = super().build_attrs(base_attrs, extra_attrs) b['class'] = 'form-check-input otree-tools-checkbox' return b