Merge pull request #4604 from MarkDaoust/no-upgrade

No-need to upgrade now that r1.9rc1 is up in Colab.

samples/core/get_started/save_and_restore_models.ipynb

@@ -154,7 +154,6 @@
       },
       "cell_type": "code",
       "source": [
-        "!pip install --pre --upgrade tensorflow\n",
         "!pip install h5py pyyaml "
       ],
       "execution_count": 0,
@@ -187,7 +186,7 @@
         "import tensorflow as tf\n",
         "from tensorflow import keras\n",
         "\n",
-        "print(tf.__version__)"
+        "tf.__version__"
       ],
       "execution_count": 0,
       "outputs": []