Fixing nits

Signed-off-by: Vladimir Suvorov <[email protected]>

Author: mydatascience

src/MaxText/examples/grpo_llama3_demo.ipynb

@@ -72,7 +72,7 @@
    "source": [
     "## Configuration\n",
     "\n",
-    "Set up the training parameters. We do not use Pathways and do use a single host. Defaults are hardcoded for Llama3.1-8B:"
+    "Set up the training parameters. We use a single host TPU. Defaults are hardcoded for Llama3.1-8B:"
    ]
   },
   {
@@ -99,6 +99,7 @@
     "import os\n",
     "import MaxText\n",
     "from huggingface_hub import login\n",
+    "import jax\n",
     "\n",
     "# Set up paths (adjust if needed)\n",
     "MAXTEXT_REPO_ROOT = os.path.dirname(MaxText.__file__)\n",
@@ -158,9 +159,8 @@
     "\n",
     "from MaxText import pyconfig, max_utils\n",
     "from MaxText.rl.train_rl import rl_train, setup_configs_and_devices\n",
-    "import jax\n",
     "\n",
-    "# Initialize JAX and Pathways\n",
+    "# Initialize JAX \n",
     "os.environ[\"TF_CPP_MIN_LOG_LEVEL\"] = \"0\"\n",
     "os.environ[\"SKIP_JAX_PRECOMPILE\"] = \"1\"  # Faster startup for vLLM\n",
     "\n",