src/transformers/models/fnet/modeling_fnet.py/FNetForQuestionAnswering/__init__
class FNetForQuestionAnswering:    def __init__(self, config):
        super().__init__(config)

        self.num_labels = config.num_labels

        self.fnet = FNetModel(config)
        self.qa_outputs = nn.Linear(config.hidden_size, config.num_labels)

        self.init_weights()