Addresses the other half of Bug #112634 -- the documentation suggested

that you can set self.version *after* calling the base class __init__.
In fact it must be done *before*.

(Fred, maybe the version class variable should be documented now?)

Doc/lib/liburllib.tex

@@ -176,8 +176,8 @@ accomplished with the following code:
 \begin{verbatim}
 class AppURLopener(urllib.FancyURLopener):
     def __init__(self, *args):
-        apply(urllib.FancyURLopener.__init__, (self,) + args)
         self.version = "App/1.7"
+        apply(urllib.FancyURLopener.__init__, (self,) + args)
 
 urllib._urlopener = AppURLopener()
 \end{verbatim}