Prepare for Py3: eliminate print keyword

CompoundFilter2.py

@@ -159,7 +159,6 @@ class _CompoundFilter:
                 scale = obj.Base.Shape.BoundBox.DiagonalLength/math.sqrt(3)/math.sqrt(len(shps))
             if scale < DistConfusion * 100:
                 scale = 1.0
-            print scale
             obj.Shape = markers.getNullShapeShape(scale)
             raise ValueError('Nothing passes through the filter') #Feeding empty compounds to FreeCAD seems to cause rendering issues, otherwise it would have been a good idea to output nothing.
         

lattice2CompoundExplorer.py

@@ -34,7 +34,7 @@ class CompoundExplorer:
         #    CompoundExplorer.MSG_DIVEDOWN  - child is a compound that is about to be traversed
         #    CompoundExplorer.MSG_BUBBLEUP  - child is a compound that was just finished traversing        
         #it is reference to iterator class (can be useful to extract current depth, or index stack)
-        print '    ' * it.curDepth(), (child, msg)
+        print ('    ' * it.curDepth(), (child, msg))
     
     Output:
     (<Compound object at 0000002FD26E5FC0>, 2)
@@ -149,4 +149,4 @@ def AllLeaves(compound):
     for (child, msg, it) in CompoundExplorer(compound):
         if msg == it.MSG_LEAF:
             output.append(child)
-    return output
+    return output

lattice2SubstituteObject.py

@@ -59,10 +59,10 @@ def substituteobj(oldobj, newobj):
         if dep in deps_of_new:
             #we are about to make an object newobj depends on, to depend on newobj. 
             #This will create a circular graph, so we must skip this.
-            print "not replacing "+oldobj.Name+" with " + newobj.Name +" in " + dep.Name
+            print ("not replacing "+oldobj.Name+" with " + newobj.Name +" in " + dep.Name)
             list_not_replaced.append(dep)
         else:
-            print "replacing "+oldobj.Name+" with " + newobj.Name +" in " + dep.Name
+            print ("replacing "+oldobj.Name+" with " + newobj.Name +" in " + dep.Name)
             list_replaced.append(dep)
             replaceobj(dep, oldobj, newobj)
     return (list_replaced, list_not_replaced)