remove reference to pylab

Author: adrn

tutorials/Plot-Catalog/plot-catalog.ipynb

@@ -3,12 +3,12 @@
   "astropy-tutorials": {
    "author": "Adrian M. Price-Whelan <adrn@astro.columbia.edu> and Kelle Cruz <kellecruz@gmail.com>",
    "date": "July 2013",
+   "description": "Demonstrates use of astropy.io.ascii for reading and writing ASCII data, astropy.coordinates and astropy.units for converting RA (as a sexagesimal angle) to decimal degrees, and matplotlib for making a color-magnitud diagram and on-sky locations in a mollweide projection.",
    "link_name": "Read and plot catalog information from a text file",
    "name": "",
-   "published": true,
-   "description" : "Demonstrates use of astropy.io.ascii for reading and writing ASCII data, astropy.coordinates and astropy.units for converting RA (as a sexagesimal angle) to decimal degrees, and matplotlib for making a color-magnitud diagram and on-sky locations in a mollweide projection."
+   "published": true
   },
-  "signature": "sha256:a6948119e622634bad34bb4d1b7bcbb59e84cab95025724098127104a63cc42c"
+  "signature": "sha256:a78b3ed3bde79cc3f9b07b7539cdedaac5809b9ad6712f275581de7b20d547ad"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -304,30 +304,9 @@
      "cell_type": "markdown",
      "metadata": {},
      "source": [
-      "__Note__: _If you are using ipython, try starting your interpreter with the\n",
-      "`--pylab` flag, e.g. `ipython --pylab`. If you do that, you don't\n",
-      "have to import numpy or matplotlib, and can drop all of the `plt.`\n",
-      "calls below (e.g., you can just type `scatter(x,y)`)._"
+      "Now that we have our data loaded, let's plot a color-magnitude diagram."
      ]
     },
-    {
-     "cell_type": "markdown",
-     "metadata": {},
-     "source": [
-      "Now that we have our data loaded, let's plot a color-magnitude diagram:"
-     ]
-    },
-    {
-     "cell_type": "code",
-     "collapsed": false,
-     "input": [
-      "# if you started the iPython notebook with --pylab, you can skip this import\n",
-      "from pylab import *"
-     ],
-     "language": "python",
-     "metadata": {},
-     "outputs": []
-    },
     {
      "cell_type": "markdown",
      "metadata": {},
@@ -445,4 +424,4 @@
    "metadata": {}
   }
  ]
-}
+}