examples/research_projects/quantization-qdqbert/trainer_quant_qa.py/QuestionAnsweringTrainer/__init__
class QuestionAnsweringTrainer:    def __init__(self, *args, eval_examples=None, post_process_function=None, quant_trainer_args=None, **kwargs):
        super().__init__(*args, **kwargs)
        self.eval_examples = eval_examples
        self.post_process_function = post_process_function
        self.quant_trainer_args = quant_trainer_args
        self.calib_num = 128  # default number of calibration samples