Update README

Examples.ipynb

@@ -1,7 +1,7 @@
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:9d5c8ab71cd951c5137693f660f2d5ecbaa3e3c343820202d9dfc7ad5d7cf1d2"
+  "signature": "sha256:dabfd19c5cbb2f416c4c06c8eb3902ea265de0b15fda7f438420b159d61824ed"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -31,8 +31,6 @@
      "collapsed": false,
      "input": [
       "data = fits.getdata('M51.fits')\n",
-      "norm = DS9Normalize(bias=0.2)\n",
-      "\n",
       "figure, axs = plt.subplots(ncols=4, nrows=4, squeeze=False, tight_layout=True)\n",
       "\n",
       "for ax, stretch in zip(axs[0], ['linear', 'sqrt', 'arcsinh', 'log']):\n",

README.md

@@ -20,8 +20,6 @@ See the [example notebook](http://nbviewer.ipython.org/github/glue-viz/ds9norm/b
 ```python
 
 data = fits.getdata('M51.fits')
-norm = DS9Normalize(bias=0.2)
-
 figure, axs = plt.subplots(ncols=4, nrows=4, squeeze=False, tight_layout=True)
 
 for ax, stretch in zip(axs[0], ['linear', 'sqrt', 'arcsinh', 'log']):