bad youtube rendering ipynb

{
 "metadata": {
  "name": "ipython support for youtube videos"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "from IPython.display import YouTubeVideo\n",
      "# Khan Academy on lists\n",
      "YouTubeVideo('zEyEC34MY1A?t=1m23s') #does not work with time code"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "html": [
        "\n",
        "        <iframe\n",
        "            width=\"400\"\n",
        "            height=300\"\n",
        "            src=\"http://www.youtube.com/embed/zEyEC34MY1A?t=1m23s\"\n",
        "            frameborder=\"0\"\n",
        "            allowfullscreen\n",
        "        ></iframe>\n",
        "        "
       ],
       "output_type": "pyout",
       "prompt_number": 2,
       "text": [
        "<IPython.lib.display.YouTubeVideo at 0x442c610>"
       ]
      }
     ],
     "prompt_number": 2
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "from IPython.display import YouTubeVideo\n",
      "# Khan Academy on lists\n",
      "YouTubeVideo('zEyEC34MY1A') #does not work with time code"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "html": [
        "\n",
        "        <iframe\n",
        "            width=\"400\"\n",
        "            height=300\"\n",
        "            src=\"http://www.youtube.com/embed/zEyEC34MY1A\"\n",
        "            frameborder=\"0\"\n",
        "            allowfullscreen\n",
        "        ></iframe>\n",
        "        "
       ],
       "output_type": "pyout",
       "prompt_number": 3,
       "text": [
        "<IPython.lib.display.YouTubeVideo at 0x442c650>"
       ]
      }
     ],
     "prompt_number": 3
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [],
     "language": "python",
     "metadata": {},
     "outputs": []
    }
   ],
   "metadata": {}
  }
 ]
}