class_docstr: This class just allows us to implement ``Registrable`` for Pytorch :class:`LRSchedulers`.
code: def __init__(self, lr_scheduler):
      self.lr_scheduler = lr_scheduler
  
imports: from __future__ import absolute_import
  import torch.optim.lr_scheduler
  from allennlp.common.checks import ConfigurationError
  from allennlp.common.params import Params
  from allennlp.common.registrable import Registrable
label_desc: Use image node_id 1 to create a new LearningRateScheduler object from inherited base classes: Registrable with example: obj = LearningRateScheduler(lr_scheduler)