def build_dict(arg):
    """
    Helper function to the Evaluator.to_property_di_graph() method that
    packages the dictionaries returned by the "associate" family of
    functions and then supplies the master dict (one_dict) to the Vertex
    obj as kwargs.
    """
    # helper function to the Evaluator.to_property_di_graph() method that
    # packages the dictionaries returned by the "associate_" family of
    # functions and then supplies the master dict (one_dict) to the Vertex
    # obj as **kwargs
    one_dict = {}
    for ar in arg:
        one_dict.update(ar)
    return one_dict