def make_normalizer_node(context, input, output, norm):
    """
    Helper function to construct a normalizer node
    """
    from ..common import NodeBuilder
    nb = NodeBuilder(context, 'Normalizer', op_domain='ai.onnx.ml')
    nb.add_attribute('norm', norm)
    nb.add_input(input)
    nb.add_output(output)
    return nb.make_node()
