$ cat test_unicode.ipynb | nbstripout
@ {
@  "cells": [
@   {
@    "cell_type": "code",
@    "execution_count": null,
@    "metadata": {
@     "collapsed": false
@    },
@    "outputs": [],
@    "source": [
@     "print u\"äöü\""
@    ]
@   }
@  ],
@  "metadata": {
@   "kernelspec": {
@    "display_name": "Python 2",
@    "language": "python",
@    "name": "python2"
@   },
@   "language_info": {
@    "codemirror_mode": {
@     "name": "ipython",
@     "version": 2
@    },
@    "file_extension": ".py",
@    "mimetype": "text/x-python",
@    "name": "python",
@    "nbconvert_exporter": "python",
@    "pygments_lexer": "ipython2",
@    "version": "2.7.11"
@   }
@  },
@  "nbformat": 4,
@  "nbformat_minor": 0
@ }
