def dependent_cls(cls):
     """
     Return dependent classes for the InstrumentGroup object
     """
     ret = [InstrumentGroup]
     ret += TestInstruments.dependent_cls()
     ret += TestGroups.dependent_cls()
     return ret
 def dependent_cls(cls):
     """
     Return dependent classes for the UserGroup object
     """
     ret = [UserGroup]
     ret += TestUsers.dependent_cls()
     ret += TestGroups.dependent_cls()
     return ret