Bokeh error: 'charmap' codec can't encode characters in position 1999043-1999046: character maps to <undefined>

Bokeh.ipynb

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   "cells": [
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "import numpy as np\n",
      "from bokeh.plotting import *"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 1
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Skip the first point because it can be troublesome\n",
      "theta = np.linspace(0, 8*np.pi, 10000)[1:]"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 2
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Compute the radial coordinates for some different spirals\n",
      "lituus = theta**(-1/2)\n",
      "golden = np.exp(0.306349*theta)\n",
      "arch   = theta\n",
      "fermat = theta**(1/2)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 3
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Now compute the X and Y coordinates (polar mapper planned for Bokeh later)\n",
      "golden_x = golden*np.cos(theta)\n",
      "lituus_x = lituus*np.cos(theta)\n",
      "arch_x   = arch*np.cos(theta)\n",
      "fermat_x = fermat*np.cos(theta)\n",
      "golden_y = golden*np.sin(theta)\n",
      "lituus_y = lituus*np.sin(theta)\n",
      "arch_y   = arch*np.sin(theta)\n",
      "fermat_y = fermat*np.sin(theta)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 4
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# output to static HTML file\n",
      "output_file(\"lines.html\")"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 5
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Plot the Archimedean spiral using the `line` renderer. Note how we set the\n",
      "# color, line thickness, title, and legend value.\n",
      "line(arch_x, arch_y, color=\"red\", line_width=2,\n",
      "     title=\"Archimedean\", legend=\"Archimedean\")"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "ename": "UnicodeEncodeError",
       "evalue": "'charmap' codec can't encode characters in position 1999043-1999046: character maps to <undefined>",
       "output_type": "pyerr",
       "traceback": [
        "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m\n\u001b[1;31mUnicodeEncodeError\u001b[0m                        Traceback (most recent call last)",
        "\u001b[1;32m<ipython-input-6-338876f8ca7f>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m()\u001b[0m\n\u001b[0;32m      2\u001b[0m \u001b[1;31m# color, line thickness, title, and legend value.\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m      3\u001b[0m line(arch_x, arch_y, color=\"red\", line_width=2,\n\u001b[1;32m----> 4\u001b[1;33m      title=\"Archimedean\", legend=\"Archimedean\")\n\u001b[0m",
        "\u001b[1;32mC:\\Miniconda3\\lib\\site-packages\\bokeh\\plotting.py\u001b[0m in \u001b[0;36mwrapper\u001b[1;34m(*args, **kwargs)\u001b[0m\n\u001b[0;32m    316\u001b[0m             \u001b[0mpush\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m    317\u001b[0m         \u001b[1;32mif\u001b[0m \u001b[0m_default_file\u001b[0m \u001b[1;32mand\u001b[0m \u001b[0m_default_file\u001b[0m\u001b[1;33m[\u001b[0m\u001b[1;34m'autosave'\u001b[0m\u001b[1;33m]\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m--> 318\u001b[1;33m             \u001b[0msave\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m    319\u001b[0m         \u001b[1;32mreturn\u001b[0m \u001b[0mretval\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m    320\u001b[0m     \u001b[0mwrapper\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0m__doc__\u001b[0m \u001b[1;33m+=\u001b[0m \u001b[1;34m\"\\nThis is a convenience function that acts on the current document, and is equivalent to curdoc().%s(...)\"\u001b[0m \u001b[1;33m%\u001b[0m \u001b[0mfunc\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0m__name__\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
        "\u001b[1;32mC:\\Miniconda3\\lib\\site-packages\\bokeh\\plotting.py\u001b[0m in \u001b[0;36msave\u001b[1;34m(filename, resources)\u001b[0m\n\u001b[0;32m    282\u001b[0m     \u001b[0mhtml\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0mfile_html\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mcurdoc\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mresources\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0m_default_file\u001b[0m\u001b[1;33m[\u001b[0m\u001b[1;34m'title'\u001b[0m\u001b[1;33m]\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m    283\u001b[0m     \u001b[1;32mwith\u001b[0m \u001b[0mopen\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mfilename\u001b[0m\u001b[1;33m,\u001b[0m \u001b[1;34m\"w\"\u001b[0m\u001b[1;33m)\u001b[0m \u001b[1;32mas\u001b[0m \u001b[0mf\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m--> 284\u001b[1;33m         \u001b[0mf\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mwrite\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mhtml\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m    285\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m    286\u001b[0m \u001b[1;32mdef\u001b[0m \u001b[0mpush\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0msession\u001b[0m\u001b[1;33m=\u001b[0m\u001b[1;32mNone\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mdocument\u001b[0m\u001b[1;33m=\u001b[0m\u001b[1;32mNone\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
        "\u001b[1;32mC:\\Miniconda3\\lib\\encodings\\cp1252.py\u001b[0m in \u001b[0;36mencode\u001b[1;34m(self, input, final)\u001b[0m\n\u001b[0;32m     17\u001b[0m \u001b[1;32mclass\u001b[0m \u001b[0mIncrementalEncoder\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mcodecs\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mIncrementalEncoder\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m     18\u001b[0m     \u001b[1;32mdef\u001b[0m \u001b[0mencode\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mself\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0minput\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mfinal\u001b[0m\u001b[1;33m=\u001b[0m\u001b[1;32mFalse\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m---> 19\u001b[1;33m         \u001b[1;32mreturn\u001b[0m \u001b[0mcodecs\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mcharmap_encode\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0minput\u001b[0m\u001b[1;33m,\u001b[0m\u001b[0mself\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0merrors\u001b[0m\u001b[1;33m,\u001b[0m\u001b[0mencoding_table\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m[\u001b[0m\u001b[1;36m0\u001b[0m\u001b[1;33m]\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m     20\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m     21\u001b[0m \u001b[1;32mclass\u001b[0m \u001b[0mIncrementalDecoder\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mcodecs\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mIncrementalDecoder\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
        "\u001b[1;31mUnicodeEncodeError\u001b[0m: 'charmap' codec can't encode characters in position 1999043-1999046: character maps to <undefined>"
       ]
      }
     ],
     "prompt_number": 6
    },
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     "input": [],
     "language": "python",
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    }
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