Correct erroneous parenthesis placement in the delta from 1.63 to 1.64.
diff --git a/Lib/pydoc.py b/Lib/pydoc.py
index 9e8351e..fe66334 100755
--- a/Lib/pydoc.py
+++ b/Lib/pydoc.py
@@ -823,8 +823,8 @@
 
         def found(name, ispackage,
                   modpkgs=modpkgs, shadowed=shadowed, seen=seen):
-            if not name in seen:
-                modpkgs.append((name, '', ispackage, name)) in shadowed
+            if name not in seen:
+                modpkgs.append((name, '', ispackage, name in shadowed))
                 seen[name] = 1
                 shadowed[name] = 1