test selection

ipyvizzustory_demo.ipynb

@@ -133,9 +133,9 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "if \"animation\" is selected:\n",
+    "if \"animation\" in selected:\n",
     "    story.play()\n",
-    "if \"code\" is selected:\n",
+    "if \"code\" in selected:\n",
     "    display_html(HTML(html))"
    ]
   }