src/transformers/models/roformer/modeling_roformer.py/RoFormerForQuestionAnswering/__init__
class RoFormerForQuestionAnswering:    def __init__(self, config):
        super().__init__(config)

        config.num_labels = 2
        self.num_labels = config.num_labels

        self.roformer = RoFormerModel(config)
        self.qa_outputs = nn.Linear(config.hidden_size, config.num_labels)

        self.init_weights()