--- a/hgext/evolve.py	Mon May 19 12:44:30 2014 -0700
+++ b/hgext/evolve.py	Mon May 19 17:45:28 2014 -0700
@@ -34,11 +34,11 @@
     from mercurial import obsolete
     if not obsolete._enabled:
         obsolete._enabled = True
-    from mercurial import exchange
-    exchange.pull
+    from mercurial import bundle2
+    bundle2._
 except (ImportError, AttributeError):
     raise util.Abort('Your Mercurial is too old for this version of Evolve\n'
-                     'requires version >> 2.9.x')
+                     'requires version >> 3.0.x')