code: def _initialize(self):
      # add arg parser
      self.parser = argparse.ArgumentParser(
          description="Run the videotag_tsn_lstm module.",
          prog="hub run videotag_tsn_lstm",
          usage="%(prog)s",
          add_help=True,
      )
      self.parser.add_argument(
          "--use_gpu",
          type=ast.literal_eval,
          default=False,
          help="default use gpu.",
      )
      self.parser.add_argument(
          "--input_path",
          type=str,
          default=None,
          help="path of video data, single video",
      )
      self._has_load = False
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import argparse
  import ast
  import os
  import paddle.fluid
  import paddlehub
  from paddlehub.module.module import moduleinfo, runnable
  from paddlehub.common.logger import logger
  from videotag_tsn_lstm.resource.utils.config_utils import *
  import videotag_tsn_lstm.resource.models
  from videotag_tsn_lstm.resource.reader import get_reader
  from videotag_tsn_lstm.resource.metrics import get_metrics
  from videotag_tsn_lstm.resource.utils.utility import check_cuda
  from videotag_tsn_lstm.resource.utils.utility import check_version
label_desc: Use image node_id 1 for calling the VideoTag obj's underlying member method code with example usage: obj._initialize() without return types