=== modified file 'Lib/pydoc.py'
--- Lib/pydoc.py	2013-04-14 21:45:56 +0000
+++ Lib/pydoc.py	2013-04-18 22:40:33 +0000
@@ -1984,30 +1984,6 @@
 
 help = Helper()
 
-class Scanner:
-    """A generic tree iterator."""
-    def __init__(self, roots, children, descendp):
-        self.roots = roots[:]
-        self.state = []
-        self.children = children
-        self.descendp = descendp
-
-    def next(self):
-        if not self.state:
-            if not self.roots:
-                return None
-            root = self.roots.pop(0)
-            self.state = [(root, self.children(root))]
-        node, children = self.state[-1]
-        if not children:
-            self.state.pop()
-            return self.next()
-        child = children.pop(0)
-        if self.descendp(child):
-            self.state.append((child, self.children(child)))
-        return child
-
-
 class ModuleScanner:
     """An interruptible scanner that searches module synopses."""