def remove_category(self, categories):
        """
        Remove a category from this Category Tag (group).
        
        :param list categories: categories to remove
        :type categories: list(str,Element)
        :return: None
        """
        categories = element_resolver(categories)
        diff = [category for category in self.data['category_child_ref']
                if category not in categories]
        self.update(category_child_ref=diff)
def remove_category ( self , categories ) : categories = element_resolver ( categories ) diff = [ category for category in self . data [ 'category_child_ref' ] if category not in categories ] self . update ( category_child_ref = diff )
Remove a category from this Category Tag (group).
        
        :param list categories: categories to remove
        :type categories: list(str,Element)
        :return: None