code: def __repr__(self):
      return "{}({}, update_scheduler_on={})".format(
          self._scheduler.__class__.__name__,
          self._scheduler_params,
          self._update_scheduler_on,
      )
  
imports: import sys
  from torch.optim import lr_scheduler
  from omegaconf import OmegaConf
  from omegaconf.dictconfig import DictConfig
  import logging
  from torch.optim.lr_scheduler import LambdaLR
  from torch_points3d.utils.enums import SchedulerUpdateOn
label_desc: Use image node_id 4 for calling the LRScheduler obj's underlying member method code with example usage: obj.__repr__() and returns: str