Index: /issm/trunk-jpl/src/m/classes/model.py
===================================================================
--- /issm/trunk-jpl/src/m/classes/model.py	(revision 17731)
+++ /issm/trunk-jpl/src/m/classes/model.py	(revision 17732)
@@ -329,5 +329,5 @@
 		#Edges
 		if m.strcmp(md.mesh.domaintype(),'2Dhorizontal'):
-			if numpy.ndim(md2.mesh.edges)>1 and numpy.size(md2.mesh.edges,axis=1)>1:    #do not use ~isnan because there are some npy.nans...
+			if numpy.ndim(md2.mesh.edges)>1 and numpy.size(md2.mesh.edges,axis=1)>1:    #do not use ~isnan because there are some numpy.nans...
 				#renumber first two columns
 				pos=numpy.nonzero(md2.mesh.edges[:,3]!=-1)[0]
@@ -395,6 +395,6 @@
 				md2.stressbalance.spcvy[nodestoflag2]=md2.inversion.vy_obs[nodestoflag2]
 			else:
-				md2.stressbalance.spcvx[nodestoflag2]=npy.nan
-				md2.stressbalance.spcvy[nodestoflag2]=npy.nan
+				md2.stressbalance.spcvx[nodestoflag2]=numpy.nan
+				md2.stressbalance.spcvy[nodestoflag2]=numpy.nan
 				print "\n!! extract warning: spc values should be checked !!\n\n"
 			#put 0 for vz