class_docstr: A constant schedule.
class_docstr_tok: ["A","constant","schedule","."]
docstr: See `LearningRateSchedule`.
docstr_tok: ["See","`","LearningRateSchedule","`","."]
code: def apply(self, learning_rate):
      """See `LearningRateSchedule`."""
  
      return learning_rate
  
file_path: adanet/research/improve_nas/trainer/optimizer.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import abc
  import functools
  import tensorflow.compat.v1
label_desc: Use image node_id 1 for calling the Constant obj's underlying member method code with example usage: obj.apply(learning_rate) and returns: learning_rate