diff --git a/rhodecode/lib/vcs/utils/compat.py b/rhodecode/lib/vcs/utils/compat.py
new file mode 100644
--- /dev/null
+++ b/rhodecode/lib/vcs/utils/compat.py
@@ -0,0 +1,13 @@
+"""
+Various utilities to work with Python < 2.7.
+
+Those utilities may be deleted once ``vcs`` stops support for older Python
+versions.
+"""
+import sys
+
+
+if sys.version_info >= (2, 7):
+    unittest = __import__('unittest')
+else:
+    unittest = __import__('unittest2')