--- a/hgext/evolve.py	Thu Apr 30 14:47:01 2015 -0700
+++ b/hgext/evolve.py	Thu Apr 30 14:34:05 2015 -0700
@@ -28,6 +28,8 @@
 from StringIO import StringIO
 import struct
 import re
+import socket
+import errno
 sha1re = re.compile(r'\b[0-9a-f]{6,40}\b')
 
 import mercurial