PEP8 modifications

Author: ericmjl

examples/pylab_examples/tricontour_vs_griddata.py

@@ -48,4 +48,4 @@
 plt.title('tricontour (%d points)' % npts)
 print('tricontour seconds: %f' % (time.clock() - start))
 
-plt.show()
+plt.show()