Backport PR #13052: Small bug fix in image_slices_viewer

dstansby · MeeseeksDev[bot] · commit 34c0186cbff5 · 2018-12-26T15:17:59.000Z
diff --git a/examples/event_handling/image_slices_viewer.py b/examples/event_handling/image_slices_viewer.py
@@ -32,7 +32,7 @@ def onscroll(self, event):
 
     def update(self):
         self.im.set_data(self.X[:, :, self.ind])
-        ax.set_ylabel('slice %s' % self.ind)
+        self.ax.set_ylabel('slice %s' % self.ind)
         self.im.axes.figure.canvas.draw()
 
 
