Method on_batch_begin

tensorflow/python/keras/callbacks.py:265–266

(self, batch, logs=None)

      self.on_predict_end()

  def on_batch_begin(self, batch, logs=None):
    self._call_batch_hook(ModeKeys.TRAIN, 'begin', batch, logs=logs)

  def on_batch_end(self, batch, logs=None):
    self._call_batch_hook(ModeKeys.TRAIN, 'end', batch, logs=logs)