class_docstr: Compose Learning Rate Schedulers
  
  Parameters
  ----------
  
  schedulers: list
      list of LRScheduler objects
class_docstr_tok: ["Compose","Learning","Rate","Schedulers","Parameters","--","--","--","--","--","schedulers",":","list","list","of","LRScheduler","objects"]
code: def add(self, scheduler):
      assert isinstance(scheduler, LRScheduler)
  
      scheduler.offset = self.count
      self.count += scheduler.niters
      self.update_sep.append(self.count)
      self.schedulers.append(scheduler)
  
file_path: gluon-cv/gluoncv/utils/lr_scheduler.py
imports: from __future__ import division
  import warnings
  from math import pi, cos
  from mxnet import lr_scheduler
label_desc: Use image node_id 2 for calling the LRSequential obj's underlying member method code with example usage: obj.add(scheduler) without return types