diff --git a/kallithea/lib/vcs/utils/hgcompat.py b/kallithea/lib/vcs/utils/hgcompat.py
--- a/kallithea/lib/vcs/utils/hgcompat.py
+++ b/kallithea/lib/vcs/utils/hgcompat.py
@@ -3,9 +3,9 @@ Mercurial libs compatibility
 """
 
 import mercurial
-import mercurial.demandimport
+from mercurial import demandimport
 # patch demandimport, due to bug in mercurial when it always triggers demandimport.enable()
-mercurial.demandimport.enable = lambda *args, **kwargs: 1
+demandimport.enable = lambda *args, **kwargs: 1
 from mercurial import archival, merge as hg_merge, patch, ui
 from mercurial import discovery
 from mercurial import localrepo