code: def set_local_tz(local_tz):
      """
      Set the named local timezone that the VegaFusion mimetype renderer
      will use for calculations.
  
      Has no effect on VegaFusionWidget, which always uses the
      browser's local timezone
  
      :param local_tz: Named local timezone (e.g. "America/New_York")
      """
      __tz_config["local_tz"] = local_tz
  
label_desc: Use image node_id 2 for calling a global function with example usage: set_local_tz(local_tz) without return types