@property
    def attributes(self):
        """
        Returns a dictionary of initial state data for sorting, sort direction, and visibility.

        The default attributes include ``data-config-sortable``, ``data-config-visible``, and (if
        applicable) ``data-config-sorting`` to hold information about the initial sorting state.
        """
        attributes = {
            'data-config-sortable': 'true' if self.sortable else 'false',
            'data-config-visible': 'true' if self.visible else 'false',
        }

        if self.sort_priority == None:
            attributes['data-config-sorting'] = ','.join(map(six.text_type, [
                self.sort_priority,
                self.index,
                self.sort_direction,
            ]))

        return flatatt(attributes)
dataset/ETHPy150Open pivotal-energy-solutions/django-datatable-view/datatableview/columns.py/Column.attributes/operator `is not` -> `==`