Index: matplotlib/examples/animation/simple_anim_tkagg.py
===================================================================
--- matplotlib/examples/animation/simple_anim_tkagg.py	(revision 6232)
+++ matplotlib/examples/animation/simple_anim_tkagg.py	(working copy)
@@ -2,6 +2,8 @@
 """
 A simple example of an animated plot in tkagg
 """
+import time
+import numpy as np
 import matplotlib
 matplotlib.use('TkAgg') # do this before importing pylab
 
Index: matplotlib/examples/pylab_examples/masked_demo.py
===================================================================
--- matplotlib/examples/pylab_examples/masked_demo.py	(revision 6232)
+++ matplotlib/examples/pylab_examples/masked_demo.py	(working copy)
@@ -1,4 +1,4 @@
-#!/bin/env python
+#!/usr/bin/env python
 '''
 Plot lines with points masked out.