Index: /issm/trunk-jpl/test/NightlyRun/test806.py
===================================================================
--- /issm/trunk-jpl/test/NightlyRun/test806.py	(revision 18790)
+++ /issm/trunk-jpl/test/NightlyRun/test806.py	(revision 18791)
@@ -8,4 +8,5 @@
 from solve import *
 from MatlabFuncs import *
+from numpy import *
 
 md=triangle(model(),'../Exp/Square.exp',50000.)
@@ -20,5 +21,5 @@
 Lx = (xmax-xmin)
 alpha = 2./3.
-md.mask.ice_levelset = ((x - alpha*Lx)>0) - ((x - alpha*Lx)<0)
+md.mask.ice_levelset = numpy.float_((x - alpha*Lx)>0) - numpy.float_((x - alpha*Lx)<0)
 
 md.timestepping.time_step=10