[extension/ldap_export] fixed ldap3 API usage

vispa/extensions/ldap_export/__init__.py

@@ -50,16 +50,16 @@ class LDAPExport(object):
             self.connection.search(self.user_base, "(objectClass=posixAccount)", attributes=['uid'])
             for ldap_user in self.connection.entries:
                 if ldap_user.uid not in active_users:
-                    logger.info("Deleting unknown ldap user: %s", ldap_user.entry_get_dn())
-                    self.connection.delete(ldap_user.entry_get_dn())
+                    logger.info("Deleting unknown ldap user: %s", ldap_user.entry_dn)
+                    self.connection.delete(ldap_user.entry_dn)
 
             self.connection.search(self.group_base, "(objectClass=posixGroup)", attributes=['cn'])
             for ldap_group in self.connection.entries:
                 private_group = self.private_group and ldap_group.cn in active_users
                 public_group = ldap_group.cn in groups
                 if not private_group and not public_group:
-                    logger.info("Deleting unknown ldap group: %s", ldap_group.entry_get_dn())
-                    self.connection.delete(ldap_group.entry_get_dn())
+                    logger.info("Deleting unknown ldap group: %s", ldap_group.entry_dn)
+                    self.connection.delete(ldap_group.entry_dn)
 
         except:
             logger.exception("remove_invalid_ldap_entries")