--- a/mercurial/demandimport.py	Wed Nov 10 15:44:19 2010 +0100
+++ b/mercurial/demandimport.py	Thu Nov 11 00:08:09 2010 +0100
@@ -111,7 +111,7 @@
             mod = getattr(mod, comp)
         for x in fromlist:
             # set requested submodules for demand load
-            if not(hasattr(mod, x)):
+            if not hasattr(mod, x):
                 setattr(mod, x, _demandmod(x, mod.__dict__, locals))
         return mod