Fix failing notebooks.

* Don't mix stable and nightly.
* Nightly can get confused if you don't uninstall the existing version first.

PiperOrigin-RevId: 376208207

Author: MarkDaoust

docs/guide/tokenizers.ipynb

@@ -95,7 +95,6 @@
       },
       "outputs": [],
       "source": [
-        "!pip install -q tf-nightly\n",
         "!pip install -q tensorflow-text"
       ]
     },

docs/tutorials/classify_text_with_bert.ipynb

@@ -109,7 +109,6 @@
       "outputs": [],
       "source": [
         "# A dependency of the preprocessing for BERT inputs\n",
-        "!pip install tf-nightly\n",
         "!pip install -q -U tensorflow-text"
       ]
     },

docs/tutorials/transformer.ipynb

@@ -112,7 +112,6 @@
       },
       "outputs": [],
       "source": [
-        "!pip install tf-nightly\n",
         "!pip install -q tensorflow_datasets\n",
         "!pip install -q -U tensorflow-text"
       ]

docs/tutorials/uncertainty_quantification_with_sngp_bert.ipynb

@@ -92,6 +92,28 @@
         "## Setup"
       ]
     },
+    {
+      "cell_type": "code",
+      "execution_count": null,
+      "metadata": {
+        "id": "l2dCK-rbYXsb"
+      },
+      "outputs": [],
+      "source": [
+        "!pip uninstall -y tensorflow tf-text"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": null,
+      "metadata": {
+        "id": "MmlftNekWmKR"
+      },
+      "outputs": [],
+      "source": [
+        "!pip install -U tensorflow-text-nightly"
+      ]
+    },
     {
       "cell_type": "code",
       "execution_count": null,
@@ -100,7 +122,7 @@
       },
       "outputs": [],
       "source": [
-        "!pip install -q -U tensorflow-text"
+        "!pip install -U tf-nightly"
       ]
     },
     {
@@ -111,7 +133,7 @@
       },
       "outputs": [],
       "source": [
-        "!pip install -q tf-models-nightly"
+        "!pip install -U tf-models-nightly"
       ]
     },
     {
@@ -173,7 +195,7 @@
       "cell_type": "code",
       "execution_count": null,
       "metadata": {
-        "id": "PxcgJHupCC7_"
+        "id": "ZY_xLQnS-6ar"
       },
       "outputs": [],
       "source": [
@@ -687,7 +709,17 @@
     "colab": {
       "collapsed_sections": [],
       "name": "uncertainty_quantification_with_sngp_bert.ipynb",
-      "provenance": [],
+      "private_outputs": true,
+      "provenance": [
+        {
+          "file_id": "1rpzuIuHNW4nnnj5mi1NhV9gjmiRy_QWB",
+          "timestamp": 1622128463249
+        },
+        {
+          "file_id": "/piper/depot/google3/third_party/tensorflow_text/g3doc/tutorials/uncertainty_quantification_with_sngp_bert.ipynb?workspaceId=markdaoust:no-nightly::citc",
+          "timestamp": 1622127860630
+        }
+      ],
       "toc_visible": true
     },
     "kernelspec": {