src/transformers/models/ctrl/modeling_ctrl.py/CTRLLMHeadModel/__init__
class CTRLLMHeadModel:    def __init__(self, config):
        super().__init__(config)
        self.transformer = CTRLModel(config)
        self.lm_head = nn.Linear(config.n_embd, config.vocab_size, bias=True)

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