def __init__(self, *args, **kwargs):
        super(FormsetCell, self).__init__(*args, **kwargs)
        try:
            self.field = (self.row.form and {})[self.column.name]
        except KeyError:
            self.field = None
        else:
            if self.field.errors:
                self.attrs['class'] = (self.attrs.get('class', '') +
                                       ' error form-group')
                self.attrs['title'] = ' '.join(
                    unicode(error) for error in self.field.errors)
dataset/ETHPy150Open CiscoSystems/avos/horizon/tables/formset.py/FormsetCell.__init__/operator `or` -> `and`