Added %s support for labels.

Author: pelson

lib/matplotlib/artist.py

@@ -675,11 +675,9 @@ def set_label(self, s):
 
         ACCEPTS: any string
         """
-        self._label = s
+        self._label = '%s' % (s, )
         self.pchanged()
 
-
-
     def get_zorder(self):
         """
         Return the :class:`Artist`'s zorder.

lib/matplotlib/colorbar.py

@@ -401,7 +401,7 @@ def set_label(self, label, **kw):
         '''
         Label the long axis of the colorbar
         '''
-        self._label = label
+        self._label = '%s' % (label, )
         self._labelkw = kw
         self._set_label()
 

lib/matplotlib/container.py

@@ -43,7 +43,7 @@ def set_label(self, s):
 
         ACCEPTS: any string
         """
-        self._label = s
+        self._label = '%s' % (s, )
         self.pchanged()
 
     def add_callback(self, func):