def get_current_lr(self, names=None):
    names = self.get_model_names(names)
    name = names[0]
    return self._optims[name].param_groups[0]['lr']
def get_current_lr(self, names=None):
    names = self.get_model_names(names)
    name = names[0]
    return self._optims[name].param_groups[0]['lr']