Whops, committed too early

Commit 9233b50 was made incorrectly,
now corrected

notebooks/chapter06_viz/06_vispy.ipynb

@@ -147,27 +147,15 @@
  },
  {
  "cell_type": "code",
- "execution_count": 7,
+ "execution_count": 8,
  "metadata": {
  "collapsed": false
  },
- "outputs": [
- {
- "ename": "NameError",
- "evalue": "name 'float32' is not defined",
- "output_type": "error",
- "traceback": [
- "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
- "\u001b[1;31mNameError\u001b[0m Traceback (most recent call last)",
- "\u001b[1;32m<ipython-input-7-b8fd95d97318>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m()\u001b[0m\n\u001b[0;32m 1\u001b[0m program['a_position'] = np.c_[\n\u001b[1;32m----> 2\u001b[1;33m \u001b[0mnp\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mlinspace\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;33m-\u001b[0m\u001b[1;36m1.0\u001b[0m\u001b[1;33m,\u001b[0m \u001b[1;33m+\u001b[0m\u001b[1;36m1.0\u001b[0m\u001b[1;33m,\u001b[0m \u001b[1;36m1000\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mdtype\u001b[0m\u001b[1;33m=\u001b[0m\u001b[0mfloat32\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 3\u001b[0m np.random.uniform(-0.5, +0.5, 1000, dtype=float32)]\n",
- "\u001b[1;31mNameError\u001b[0m: name 'float32' is not defined"
- ]
- }
- ],
+ "outputs": [],
  "source": [
  "program['a_position'] = np.c_[\n",
- " np.linspace(-1.0, +1.0, 1000, dtype=float32),\n",
- " np.random.uniform(-0.5, +0.5, 1000, dtype=float32)]"
+ " np.linspace(-1.0, +1.0, 1000).astype(np.float32),\n",
+ " np.random.uniform(-0.5, +0.5, 1000).astype(np.float32)]"
  ]
  },
  {
@@ -179,7 +167,7 @@
  },
  {
  "cell_type": "code",
- "execution_count": null,
+ "execution_count": 9,
  "metadata": {
  "collapsed": false
  },
@@ -199,7 +187,7 @@
  },
  {
  "cell_type": "code",
- "execution_count": null,
+ "execution_count": 10,
  "metadata": {
  "collapsed": false
  },
@@ -220,7 +208,7 @@
  },
  {
  "cell_type": "code",
- "execution_count": null,
+ "execution_count": 11,
  "metadata": {
  "collapsed": false
  },