Bug 3011: change old-style classes to new-style classes

svn: r12559

src/BasicUtils/_NameDisplay.py

@@ -86,7 +86,7 @@ def _make_cmp(a,b): return -cmp(a[1], b[1])
 # NameDisplay class
 #
 #-------------------------------------------------------------------------
-class NameDisplay:
+class NameDisplay(object):
     """
     Base class for displaying of Name instances.
     """

src/BasicUtils/_UpdateCallback.py

@@ -40,7 +40,7 @@ import time
 # Callback updater
 #
 #-------------------------------------------------------------------------
-class UpdateCallback:
+class UpdateCallback(object):
     """
     Basic class providing way of calling the callback to update
     things during lenghty operations.