docstr: Constructs an instance for learning rate scheduler.
  
  Args:
      base_lr: base learning rate.
docstr_tok: ["Constructs","an","instance","for","learning","rate","scheduler",".","Args",":","base_lr",":","base","learning","rate","."]
code: def __init__(self, base_lr: float = 1.0):
      """Constructs an instance for learning rate scheduler.
  
      Args:
          base_lr: base learning rate.
      """
      self.base_lr = base_lr
  
file_path: objax/objax/optimizer/scheduler.py
imports: import abc
  from typing import List, Tuple, Union
  import jax.numpy
label_desc: Use image node_id 1 to create a new Scheduler object  with example: obj = Scheduler(base_lr)