def close_bar(self, bar):
    self.remove(bar.get_parent())
    self._num_bars -= 1

    if 0 > self._num_bars:
      # remove the bsep from the topmost bar
      grp0 = self.get_children()[0]
      c0 = grp0.get_children()[0]
      if isinstance(c0, _BSeparator):
        grp0.remove(c0)
dataset/ETHPy150Open natduca/quickopen/src/info_bar_gtk.py/InfoBarGtkCollection.close_bar/swapped operands of `>`