def copy(self):
        """
        Returns a copy of this object

        :return: A copy of self
        """
        retfilters = Filters(self.filter_converter, self.datamodel)
        retfilters.filters = copy.copy(self.filters)
        retfilters.values = copy.copy(self.values)
        return retfilters

        Returns a copy of this object

        :return: A copy of self
        
flask_appbuilder/models/filters.py