Update for new computation environment routines.

Author: chrispbradley

src/python/fitting_gauss_stress.py

@@ -126,8 +126,9 @@
 numberOfNodes = numberOfXNodes*numberOfYNodes*numberOfZNodes
 
 # Get the number of computational nodes and this computational node number
-numberOfComputationalNodes = iron.ComputationalNumberOfNodesGet()
-computationalNodeNumber = iron.ComputationalNodeNumberGet()
+computationEnvironment = iron.ComputationEnvironment()
+numberOfComputationalNodes = computationEnvironment.NumberOfWorldNodesGet()
+computationalNodeNumber = computationEnvironment.WorldNodeNumberGet()
 
 # Create a 3D rectangular cartesian coordinate system
 coordinateSystem = iron.CoordinateSystem()