def sort_by(self, sb):
    
    self._dataset = self._dataset.sort(key=lambda x: x.pubdate, reverse=True)
    return self
    # return self.sort(key=lambda x: x.pubdate, reverse=True)
Add a ColorTarget <color_target> which specifies the
dataset/ETHPy150Open nikcub/floyd/floyd/db/__init__.py/Query.sort_by--crossover with--dataset/ETHPy150Open chromaway/ngcccbase/ngcccbase/txcons.py/BasicTxSpec.add_target