Fix notebooks

binder/README.ipynb

@@ -18,7 +18,10 @@
    "outputs": [],
    "source": [
     "import os\n",
-    "print(f'This container is using tag {os.environ[\"TAG\"]} of the jupyter/base-notebook image')"
+    "\n",
+    "print(\n",
+    "    f'This container is using tag {os.environ[\"TAG\"]} of the jupyter/base-notebook image'\n",
+    ")"
    ]
   },
   {
@@ -111,7 +114,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -125,9 +128,9 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.1"
+   "version": "3.9.10"
   }
  },
  "nbformat": 4,
- "nbformat_minor": 2
+ "nbformat_minor": 4
 }