def METHOD_NAME(self, desc):
    # type: (CategoryDescription) -> None
    """
    Insert category description into 'registry' list
    """
    priority = desc.priority
    priorities = [c.priority for c, _ in self.registry]
    insertion_i = bisect.bisect_right(priorities, priority)
    item = (desc, [])  # type: CategoryWidgetsPair
    self.registry.insert(insertion_i, item)
    self._categories_dict[desc.name] = item