Apply nbfmt to multi_worker_with_keras

Author: 8bitmp3

site/en/tutorials/distribute/multi_worker_with_keras.ipynb

@@ -1184,7 +1184,7 @@
     "colab": {
       "collapsed_sections": [],
       "name": "multi_worker_with_keras.ipynb",
-      "provenance": []
+      "toc_visible": true
     },
     "kernelspec": {
       "display_name": "Python 3",
@@ -1194,3 +1194,4 @@
   "nbformat": 4,
   "nbformat_minor": 0
 }
+