diff -r 283d2ab1e020 -r 468730910353 mercurial/commands.py
--- a/mercurial/commands.py	Sun Mar 12 12:29:03 2006 +0100
+++ b/mercurial/commands.py	Sun Mar 12 13:57:55 2006 +0100
@@ -2795,7 +2795,10 @@
                     mod = getattr(mod, comp)
                 return mod
             try:
-                mod = importh(x[0])
+                try:
+                    mod = importh("hgext." + x[0])
+                except ImportError:
+                    mod = importh(x[0])
             except Exception, inst:
                 on_exception(Exception, inst)
                 continue