code: def get_train_file_name(dataset):
      """Return train params."""
      # get file name
      if dataset == "slice":
          train_pickle_file = "slice_localisation.p"
      elif dataset == "indoor":
          train_pickle_file = "indoor_location.p"
      return train_pickle_file
  
file_path: dragonfly/examples/nas/demo_nas.py
imports: from __future__ import print_function
  from argparse import Namespace
  import time
  import os
  import shutil
  from mlp_function_caller import MLPFunctionCaller
  from dragonfly.opt.gp_bandit import bo_from_func_caller
  from dragonfly.exd.worker_manager import MultiProcessingWorkerManager
  from dragonfly.utils.reporters import get_reporter
label_desc: Use image node_id 1 for calling a global function with example usage: get_train_file_name(dataset) and returns: train_pickle_file