Removes a deprecation warning. Tested the updated .ipynb file.

PiperOrigin-RevId: 404370475

Author: tensorflower-gardener

site/en/r1/guide/eager.ipynb

@@ -702,7 +702,7 @@
       },
       "outputs": [],
       "source": [
-        "if tf.test.is_gpu_available():\n",
+        "if tf.config.list_physical_devices('GPU'):\n",
         "  with tf.device(\"gpu:0\"):\n",
         "    v = tf.Variable(tf.random_normal([1000, 1000]))\n",
         "    v = None  # v no longer takes up GPU memory"
@@ -1116,7 +1116,7 @@
         "  print(\"CPU: {} secs\".format(measure(tf.random_normal(shape), steps)))\n",
         "\n",
         "# Run on GPU, if available:\n",
-        "if tf.test.is_gpu_available():\n",
+        "if tf.config.list_physical_devices('GPU'):\n",
         "  with tf.device(\"/gpu:0\"):\n",
         "    print(\"GPU: {} secs\".format(measure(tf.random_normal(shape), steps)))\n",
         "else:\n",
@@ -1141,7 +1141,7 @@
       },
       "outputs": [],
       "source": [
-        "if tf.test.is_gpu_available():\n",
+        "if tf.config.list_physical_devices('GPU'):\n",
         "  x = tf.random_normal([10, 10])\n",
         "\n",
         "  x_gpu0 = x.gpu()\n",

site/en/r1/tutorials/eager/eager_basics.ipynb

@@ -236,7 +236,7 @@
         "x = tf.random.uniform([3, 3])\n",
         "\n",
         "print(\"Is there a GPU available: \"),\n",
-        "print(tf.test.is_gpu_available())\n",
+        "print(tf.config.list_physical_devices('GPU'))\n",
         "\n",
         "print(\"Is the Tensor on GPU #0:  \"),\n",
         "print(x.device.endswith('GPU:0'))"
@@ -292,7 +292,7 @@
         "  time_matmul(x)\n",
         "\n",
         "# Force execution on GPU #0 if available\n",
-        "if tf.test.is_gpu_available():\n",
+        "if tf.config.list_physical_devices('GPU'):\n",
         "  with tf.device(\"GPU:0\"): # Or GPU:1 for the 2nd GPU, GPU:2 for the 3rd etc.\n",
         "    x = tf.random_uniform([1000, 1000])\n",
         "    assert x.device.endswith(\"GPU:0\")\n",

site/en/r1/tutorials/sequences/text_generation.ipynb

@@ -543,7 +543,7 @@
       },
       "outputs": [],
       "source": [
-        "if tf.test.is_gpu_available():\n",
+        "if tf.config.list_physical_devices('GPU'):\n",
         "  rnn = tf.keras.layers.CuDNNGRU\n",
         "else:\n",
         "  import functools\n",

site/en/tutorials/customization/custom_layers.ipynb

@@ -90,7 +90,7 @@
       },
       "outputs": [],
       "source": [
-        "print(tf.test.is_gpu_available())"
+        "print(tf.config.list_physical_devices('GPU'))"
       ]
     },
     {