def METHOD_NAME(self, feature):
    lay_norm_attr = F.ParamAttr(initializer=F.initializer.ConstantInitializer(value=1))
    lay_norm_bias = F.ParamAttr(initializer=F.initializer.ConstantInitializer(value=0))
    feature = L.layer_norm(feature, name='layer_norm_feature_input', 
                                  param_attr=lay_norm_attr, 
                                  bias_attr=lay_norm_bias,
                                  scale=False,
                                  shift=False)
    return feature