FigureCanvasBase, NavigationToolbar2 and widget changed to new style classes.

Author: gstorer

lib/matplotlib/backend_bases.py

@@ -1353,7 +1353,7 @@ def __init__(self, name, canvas, key, x=0, y=0, guiEvent=None):
 
 
 
-class FigureCanvasBase:
+class FigureCanvasBase(object):
     """
     The canvas the figure renders into.
 
@@ -2306,7 +2306,7 @@ class Cursors:  #namespace
 
 
 
-class NavigationToolbar2:
+class NavigationToolbar2(object):
     """
     Base class for the navigation cursor, version 2
 

lib/matplotlib/widgets.py

@@ -51,7 +51,7 @@ def locked(self):
 
 
 
-class Widget:
+class Widget(object):
     """
     OK, I couldn't resist; abstract base class for mpl GUI neutral
     widgets