def METHOD_NAME(self, tokens=None):
    """
    Combine model arch
    """
    if tokens is None:
        tokens = self.init_tokens()
    token_list = []
    start_idx = 0
    end_idx = 0
    for i in range(len(self.single_token_num)):
        end_idx += self.single_token_num[i]
        token_list.append(tokens[start_idx:end_idx])
        start_idx = end_idx
    model_archs = []
    for space, token in zip(self.spaces, token_list):
        model_archs.append(space.METHOD_NAME(token))
    return model_archs