    def __init__(self, config):
        """__init__ needs to be light weight for more workers/threads."""
        self.split = config.split
        self.max_video_len = config.max_video_len
        self.max_len = config.max_len
        from transformers import AutoTokenizer
        tokenizer = AutoTokenizer.from_pretrained(
            str(config.bert_name), use_fast=config.use_fast
        )
        self.cls_token_id = tokenizer.cls_token_id
        self.sep_token_id = tokenizer.sep_token_id
        self.pad_token_id = tokenizer.pad_token_id
        self.mask_token_id = tokenizer.mask_token_id
__init__ needs to be light weight for more workers/threads.
examples/MMPT/mmpt/processors/processor.py