--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -12,9 +12,8 @@ of the GNU General Public License, incor
 
 from node import *
 from i18n import gettext as _
-from demandload import demandload
-demandload(globals(), "binascii changegroup errno ancestor mdiff os")
-demandload(globals(), "sha struct util zlib")
+import binascii, changegroup, errno, ancestor, mdiff, os
+import sha, struct, util, zlib
 
 # revlog version strings
 REVLOGV0 = 0