code: def load_orders(
      data_folder: str, use_arrow_dtype: bool = None, gpu: bool = False
  ) -> md.DataFrame:
      data_path = data_folder + "/orders.pq"
      df = md.read_parquet(
          data_path, use_arrow_dtype=use_arrow_dtype, gpu=gpu
      )
      df["O_ORDERDATE"] = md.to_datetime(
          df.O_ORDERDATE, format="%Y-%m-%d"
      )
      return df
  
imports: import argparse
  import functools
  import time
  from typing import Callable, List, Optional, Set, Union
  import mars
  import mars.dataframe
label_desc: Use image node_id 3 for calling a global function with example usage: load_orders(data_folder, use_arrow_dtype, gpu) and returns: df