Futurize 1, futurize 2, pasteurize.

SimPEG/Utils/modelutils.py

@@ -1,4 +1,11 @@
-from matutils import mkvc, ndgrid
+from __future__ import absolute_import
+from __future__ import unicode_literals
+from __future__ import print_function
+from __future__ import division
+from future import standard_library
+standard_library.install_aliases()
+from builtins import range
+from .matutils import mkvc, ndgrid
 import numpy as np
 
 def surface2ind_topo(mesh, topo, gridLoc='CC'):