DOC: protect against non-gui backends in demo

tacaswell · tacaswell · commit 188d7a1727da · 2015-07-17T01:21:36.000-04:00
diff --git a/examples/pylab_examples/system_monitor.py b/examples/pylab_examples/system_monitor.py
@@ -47,8 +47,10 @@ def get_stats():
     pm.set_height(m)
     pc.set_height(c)
     pn.set_height(n)
-
-    fig.canvas.flush_events()
+    try:
+        fig.canvas.flush_events()
+    except NotImplementedError:
+        pass
 
 stop = time.time()
 print("{fps:.1f} frames per second".format(fps=200 / (stop - start)))
