if kwargs:
            for prop_name, prop_value in imcgenutils.iteritems(kwargs):
                if not imccoreutils.prop_exists(self, prop_name):
                    log.debug("Unknown property %s" % prop_name)
                self.__set_prop(prop_name, prop_value)

        if not forced:
            prop = imccoreutils.get_prop_meta(self, name)
            if not imccoreutils.is_writable_prop(self, name):
                if getattr(self, name) is not None or \
                                prop.access != \
                                imccoremeta.MoPropertyMeta.CREATE_ONLY:
                    raise ValueError("%s is not a read-write property." % name)

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "imcsdk/mometa/bios/BiosVfPackageCStateLimit.py", line 81, in __init__
    ManagedObject.__init__(self, "BiosVfPackageCStateLimit", parent_mo_or_dn, **kwargs)
  File "imcsdk/imcmo.py", line 99, in __init__
    self.__set_prop(prop_name, prop_value)
  File "imcsdk/imcmo.py", line 186, in __set_prop
    prop.access != \
AttributeError: 'NoneType' object has no attribute 'access'