def columns(self):
    '\n        Returns the list of selected column names.\n        '
    fields = [f.label for f in self.form_fields if self.cleaned_data[('field_%s_export' % f.id)]]
    if self.cleaned_data['field_0_export']:
        fields.append(self.entry_time_name)
    return fields
Returns the list of selected column names.
def columns(self):
    '\n        \n        '
    fields = [f.label for f in self.form_fields if self.cleaned_data[('field_%s_export' % f.id)]]
    if self.cleaned_data['field_0_export']:
        fields.append(self.entry_time_name)
    return fields