message: change dataset to _dataset in model_maker colab.
diff: "outputs": [],
  "source": [
  "plt.figure(figsize=(10,10))\n",
  - "for i, (image, label) in enumerate(data.dataset.take(25)):\n",
  + "for i, (image, label) in enumerate(data.gen_dataset().unbatch().take(25)):\n",
  " plt.subplot(5,5,i+1)\n",
  " plt.xticks([])\n",
  " plt.yticks([])\n",
  "# dataset, we will highlight it in red color.\n",
  "plt.figure(figsize=(20, 20))\n",
  "predicts = model.predict_top_k(test_data)\n",
  - "for i, (image, label) in enumerate(test_data.dataset.take(100)):\n",
  + "for i, (image, label) in enumerate(test_data.gen_dataset().unbatch().take(100)):\n",
  " ax = plt.subplot(10, 10, i+1)\n",
  " plt.xticks([])\n",
  " plt.yticks([])\n",
  