def _neq_attr(node, attr, gens, container):
    """
    Calcs fitness based on the fact that node's target shall not have an attr
    with a certain value.
    """
    trg_nd = container.nodes[gens[node]]
    if attr[0] in trg_nd and attr[1] == trg_nd[attr[0]]:
        return 10.1
    return 0.0
