diff --git a/rhodecode/lib/diffs.py b/rhodecode/lib/diffs.py
--- a/rhodecode/lib/diffs.py
+++ b/rhodecode/lib/diffs.py
@@ -32,8 +32,8 @@ from itertools import tee, imap
 
 from pylons.i18n.translation import _
 
-from vcs.exceptions import VCSError
-from vcs.nodes import FileNode
+from rhodecode.lib.vcs.exceptions import VCSError
+from rhodecode.lib.vcs.nodes import FileNode
 
 from rhodecode.lib.utils import EmptyChangeset