matplotlib
diff --git a/‎examples/pylab_examples/image_slices_viewer.py
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+6-8Lines changed: 6 additions & 8 deletions b/‎examples/pylab_examples/image_slices_viewer.py
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+6-8Lines changed: 6 additions & 8 deletions
@@ -1,6 +1,6 @@
 from __future__ import print_function
 import numpy
-from matplotlib.pyplot import figure, show
+import matplotlib.pyplot as plt
 
 
 class IndexTracker(object):
@@ -10,18 +10,17 @@ def __init__(self, ax, X):
 
         self.X = X
         rows, cols, self.slices = X.shape
-        self.ind = self.slices/2
+        self.ind = int(self.slices/2)
 
         self.im = ax.imshow(self.X[:, :, self.ind])
         self.update()
 
     def onscroll(self, event):
         print("%s %s" % (event.button, event.step))
         if event.button == 'up':
-            self.ind = numpy.clip(self.ind + 1, 0, self.slices - 1)
+            self.ind = int(numpy.clip(self.ind + 1, 0, self.slices - 1))
         else:
-            self.ind = numpy.clip(self.ind - 1, 0, self.slices - 1)
-
+            self.ind = int(numpy.clip(self.ind - 1, 0, self.slices - 1))
         self.update()
 
     def update(self):
@@ -30,13 +29,12 @@ def update(self):
         self.im.axes.figure.canvas.draw()
 
 
-fig = figure()
-ax = fig.add_subplot(111)
+fig, ax = plt.subplots(1, 1)
 
 X = numpy.random.rand(20, 20, 40)
 
 tracker = IndexTracker(ax, X)
 
 
 fig.canvas.mpl_connect('scroll_event', tracker.onscroll)
-show()
+plt.show()