message: Fix the progress bar of keras.Model.evaluate()
diff: @@ -445,7 +445,7 @@ class Loop(training_utils.TrainingLoop):
  batch_size=batch_size,
  epochs=1,
  steps_per_epoch=steps,
  - samples=use_sample,
  + samples=total_samples,
  count_mode='samples' if use_sample else 'steps',
  verbose=0, # Handle ProgBarLogger separately in this loop.
  mode=mode)
  