Index: /issm/trunk-jpl/test/NightlyRun/test355.py
===================================================================
--- /issm/trunk-jpl/test/NightlyRun/test355.py	(revision 25028)
+++ /issm/trunk-jpl/test/NightlyRun/test355.py	(revision 25029)
@@ -38,5 +38,5 @@
 
 #Materials
-md.materials.rheology_B = (5e-25)**(-1 / 3) * np.ones((md.mesh.numberofvertices))
+md.materials.rheology_B = (5e-25)**(-1./3.) * np.ones((md.mesh.numberofvertices))
 md.materials.rheology_n = 3. * np.ones((md.mesh.numberofelements))