def _find_one_after_last_labeled_index(self):
        body_index = 0
        while self.bodies[body_index].segment_id in self.state.body_labels:
            body_index += 1
        return body_index
def remove_item(self, item):
    if (self._locker.is_unlocked("prevent_removal_below_min_size")
        and len(self._items) == self._min_size):
      return