Update example in Jupyter notebook

Author: basnijholt

example.ipynb

@@ -42,8 +42,26 @@
     "    cache_type=\"hybrid\",  # optionally cache the pipeline\n",
     ")\n",
     "\n",
-    "pipeline.visualize_graphviz_widget()"
+    "dot_source = pipeline.visualize_graphviz(return_type=\"graphviz\").source"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from graphviz_anywidget import GraphvizWidget\n",
+    "\n",
+    "GraphvizWidget(dot_source=dot_source)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {