code: def set_tz_cache_location(cache_dir: str):
      set_cache_location(cache_dir)
  
imports: import peewee
  from threading import Lock
  import os
  import appdirs
  import atexit
  import datetime
  import pickle
  from .utils import get_yf_logger
label_desc: Use image node_id 4 for calling a global function with example usage: set_tz_cache_location(cache_dir) without return types