def reduce_load_Maxima_function(parent, defn, args, latex):
    """
    Unpickle a Maxima function.

    EXAMPLES::

        sage: from sage.interfaces.maxima import reduce_load_Maxima_function
        sage: f = maxima.function('x,y','sin(x+y)')
        sage: _,args = f.__reduce__()
        sage: g = reduce_load_Maxima_function(*args)
        sage: g == f
        True
    """
    return parent.function(args, defn, defn, latex)