Index: ConfigParser.py
===================================================================
--- ConfigParser.py	(revision 53588)
+++ ConfigParser.py	(working copy)
@@ -323,11 +323,12 @@
     def getfloat(self, section, option):
         return self._get(section, float, option)
 
+    def getboolean(self, section, option):
+        return self._get(section, self._bool_conv, option)
+            
     _boolean_states = {'1': True, 'yes': True, 'true': True, 'on': True,
                        '0': False, 'no': False, 'false': False, 'off': False}
-
-    def getboolean(self, section, option):
-        v = self.get(section, option)
+    def _bool_conv(self, v):
         if v.lower() not in self._boolean_states:
             raise ValueError, 'Not a boolean: %s' % v
         return self._boolean_states[v.lower()]