diff --git a/pylons_app/model/hg_model.py b/pylons_app/model/hg_model.py
--- a/pylons_app/model/hg_model.py
+++ b/pylons_app/model/hg_model.py
@@ -15,7 +15,7 @@ try:
     from vcs.backends.hg import get_repositories, MercurialRepository
 except ImportError:
     print 'You have to import vcs module'
-    raise
+    raise Exception('Unable to import vcs')
 
 class HgModel(object):
     """
@@ -37,7 +37,8 @@ class HgModel(object):
                 continue
             
             last_change = mercurial_repo.last_change
-            tip = mercurial_repo.repo.changectx('tip')
+            tip_rev = mercurial_repo._get_revision('tip')
+            tip = mercurial_repo.get_changeset(tip_rev)
             tmp_d = {}
             tmp_d['name'] = mercurial_repo.name
             tmp_d['name_sort'] = tmp_d['name']
@@ -45,9 +46,9 @@ class HgModel(object):
             tmp_d['description_sort'] = tmp_d['description']
             tmp_d['last_change'] = last_change
             tmp_d['last_change_sort'] = last_change[1] - last_change[0]
-            tmp_d['tip'] = str(tip)
-            tmp_d['tip_sort'] = tip.rev()
-            tmp_d['rev'] = tip.rev()
+            tmp_d['tip'] = tip._short
+            tmp_d['tip_sort'] = tip_rev
+            tmp_d['rev'] = tip_rev
             tmp_d['contact'] = mercurial_repo.contact
             tmp_d['contact_sort'] = tmp_d['contact']
             tmp_d['repo_archives'] = list(mercurial_repo._get_archives())