code: def on_epoch_begin(self, epoch, logs=None):
      self.current_epoch = epoch
  
imports: from packaging import version
  import warnings
  import horovod.tensorflow
  import tensorflow
label_desc: Use image node_id 6 for calling the LearningRateScheduleCallbackImpl obj's underlying member method code with example usage: obj.on_epoch_begin(epoch, logs) without return types