test: pull DI URL from environment in doctest

src/documentation/document_index.ipynb

@@ -61,9 +61,7 @@
    "source": [
     "## Upload documents to the Document Index\n",
     "\n",
-    "To search through the DI, you'll first need to upload the documents to it.\n",
-    "For now, we'll use the [DI instance hosted by Aleph Alpha](https://app.document-index.aleph-alpha.com).\n",
-    "We assume you have an assigned namespace and possess a token to access it."
+    "To search through the DI, you'll first need to upload the documents to it. We assume that the URL of your DI instance is available under the `DOCUMENT_INDEX_URL` environment variable, and that you already have a namespace and a token to access it."
    ]
   },
   {
@@ -72,8 +70,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# specify this for your own namespace\n",
-    "NAMESPACE = \"aleph-alpha\""
+    "# change this to your namespace\n",
+    "NAMESPACE = \"Search\""
    ]
   },
   {
@@ -84,7 +82,7 @@
    "source": [
     "document_index = DocumentIndexClient(\n",
     "    token=getenv(\"AA_TOKEN\"),\n",
-    "    base_document_index_url=\"https://document-index.aleph-alpha.com\",\n",
+    "    base_document_index_url=getenv(\"DOCUMENT_INDEX_URL\"),\n",
     ")"
    ]
   },
@@ -659,13 +657,6 @@
    "source": [
     "tracer"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {