Same as all_dict_combinations but preserves order

def iter_all_dict_combinations_ordered(varied_dict):
    """
    Same as all_dict_combinations but preserves order
    """
    tups_list = [[(key, val) for val in val_list]
                 for (key, val_list) in six.iteritems(varied_dict)]
    dict_iter = (OrderedDict(tups) for tups in it.product(*tups_list))
    return dict_iter