diff -r 65d93a4fd11c -r 18a186b02970 server/ldaputils.py
--- a/server/ldaputils.py	Tue Jan 21 17:34:31 2014 +0100
+++ b/server/ldaputils.py	Sun Jun 16 23:36:06 2013 +0200
@@ -41,7 +41,6 @@
 
 from cubicweb import ValidationError, AuthenticationError, Binary
 from cubicweb.server import utils
-from cubicweb.server.sources import ConnectionWrapper
 
 _ = unicode
 
@@ -57,6 +56,20 @@
               }
 
 
+class ConnectionWrapper(object):
+    def __init__(self, cnx=None):
+        self.cnx = cnx
+    def commit(self):
+        pass
+    def rollback(self):
+        pass
+    def cursor(self):
+        return None # no actual cursor support
+    def close(self):
+        if hasattr(self.cnx, 'close'):
+            self.cnx.close()
+
+
 class LDAPSourceMixIn(object):
     """a mix-in for LDAP based source"""
     options = (