reference bug fixed

src/python/dm/common/utility/ldapLinuxPlatformUtility.py

@@ -183,7 +183,7 @@ class LdapLinuxPlatformUtility:
     @classmethod
     def addLocalUserToGroup(cls, username, groupName):
         """ Add local user to group. """
-        createLocalGroup(groupName)
+        cls.createLocalGroup(groupName)
         logger = cls.getLogger()
         logger.debug('Adding local user %s to group %s' % (username, groupName))
         cmd = '%s -a %s %s' % (cls.GPASSWD_CMD, username, groupName)