src/transformers/models/canine/modeling_canine.py/CanineForMultipleChoice/__init__
class CanineForMultipleChoice:    def __init__(self, config):
        super().__init__(config)

        self.canine = CanineModel(config)
        self.dropout = nn.Dropout(config.hidden_dropout_prob)
        self.classifier = nn.Linear(config.hidden_size, 1)

        self.init_weights()