Move environment variables higher

Author: davidhou17

use-cases/rag-with-voyage.ipynb

@@ -40,10 +40,21 @@
    "outputs": [],
    "source": [
     "import os\n",
+    "\n",
+    "# Specify your Hugging Face access token and Voyage API key\n",
+    "os.environ[\"HF_TOKEN\"] = \"<token>\"\n",
+    "os.environ[\"VOYAGE_API_KEY\"] = \"<api-key>\""
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
     "import voyageai\n",
     "\n",
-    "# Specify your Voyage API key and embedding model\n",
-    "os.environ[\"VOYAGE_API_KEY\"] = \"<api-key>\"\n",
+    "# Specify the Voyage AI embedding model\n",
     "model = \"voyage-3\"\n",
     "vo = voyageai.Client()\n",
     "\n",
@@ -189,7 +200,6 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "import os\n",
     "from huggingface_hub import InferenceClient\n",
     "\n",
     "# Specify search query, retrieve relevant documents, and convert to string\n",
@@ -203,8 +213,7 @@
     "    Question: {query}\n",
     "\"\"\"\n",
     "\n",
-    "# Authenticate to Hugging Face and access the model\n",
-    "os.environ[\"HF_TOKEN\"] = \"<token>\"\n",
+    "# Use a model from Hugging Face\n",
     "llm = InferenceClient(\n",
     "    \"mistralai/Mistral-7B-Instruct-v0.3\",\n",
     "    token = os.getenv(\"HF_TOKEN\"))\n",

use-cases/rag.ipynb

@@ -33,6 +33,18 @@
     "pip install --quiet --upgrade pymongo sentence_transformers einops langchain langchain_community pypdf huggingface_hub"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import os\n",
+    "\n",
+    "# Specify your Hugging Face access token\n",
+    "os.environ[\"HF_TOKEN\"] = \"<token>\""
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -186,7 +198,6 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "import os\n",
     "from huggingface_hub import InferenceClient\n",
     "\n",
     "# Specify search query, retrieve relevant documents, and convert to string\n",
@@ -200,8 +211,7 @@
     "    Question: {query}\n",
     "\"\"\"\n",
     "\n",
-    "# Authenticate to Hugging Face and access the model\n",
-    "os.environ[\"HF_TOKEN\"] = \"<token>\"\n",
+    "# Use a model from Hugging Face\n",
     "llm = InferenceClient(\n",
     "    \"mistralai/Mistral-7B-Instruct-v0.3\",\n",
     "    token = os.getenv(\"HF_TOKEN\"))\n",