code: def set_custom_getter_compose(custom_getter):
    
    tf.get_variable_scope().set_custom_getter(
        _compose_custom_getters(tf.get_variable_scope().custom_getter,
                                custom_getter))
docs: Set a custom getter in the current variable scope.
  
    Do not overwrite the existing custom getter - rather compose with it.
  
    Args:
      custom_getter: a custom getter.