def on_cleanup_error(function, path, excinfo):
                click.secho("warning: failed to remove file or directory: {}\n"
                            "please delete it manually.".format(path),
                            fg="red")
def remove_item(self, item):
    if (self._locker.is_unlocked("prevent_removal_below_min_size")
        and len(self._items) == self._min_size):
      return