src/transformers/models/nystromformer/modeling_nystromformer.py/NystromformerForSequenceClassification/__init__
class NystromformerForSequenceClassification:    def __init__(self, config):
        super().__init__(config)
        self.num_labels = config.num_labels
        self.nystromformer = NystromformerModel(config)
        self.classifier = NystromformerClassificationHead(config)

        # Initialize weights and apply final processing
        self.post_init()