--- hgversion.py	2013-05-03 12:16:47.268888941 +0200
+++ hgversion.py	2013-05-03 12:17:16.105555866 +0200
@@ -18,7 +18,7 @@
 
 def checkhgversion(v):
     """range check the Mercurial version"""
-    reqver = ['2', '5']
+    reqver = ['2', '4']
     v = v.split('+')[0]
     if not v or v == 'unknown' or len(v) >= 12:
         # can't make any intelligent decisions about unknown or hashes