diff --git a/tools_numpy.ipynb b/tools_numpy.ipynb
index bd4cfbb..0a6f5b5 100644
--- a/tools_numpy.ipynb
+++ b/tools_numpy.ipynb
@@ -405,7 +405,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 182,
+   "execution_count": 22,
    "metadata": {
     "collapsed": false,
     "scrolled": false