      """
      return _CONFIG
  
  
  def initialize_images():
      """ Initialize the :class:`Images` handler  and add to global constant.
  
      This should only be called once on first GUI startup. Future access to :class:`Images`
      handler should only be executed through :func:`get_images`.
      """
 
</s> remove def initialize_config(root, cli_opts, statusbar):
 </s> add def initialize_config(root: tk.Tk,
                      cli_opts: "CliOptions",
                      statusbar: "StatusBar") -> Optional["Config"]: </s> remove     def __init__(self):
 </s> add     def __init__(self) -> None: </s> remove _CONFIG = None
_IMAGES = None
_PREVIEW_TRIGGER = None
 </s> add _CONFIG: Optional["Config"] = None
_IMAGES: Optional["Images"] = None
_PREVIEW_TRIGGER: Optional["PreviewTrigger"] = None
def initialize_images() -> None:
      """
      return _CONFIG
  
  
def initialize_images() -> None:
      """ Initialize the :class:`Images` handler  and add to global constant.
  
      This should only be called once on first GUI startup. Future access to :class:`Images`
      handler should only be executed through :func:`get_images`.
      """
keep keep keep keep replace keep keep keep keep keep
 Bugfix: Preview for extract in batch mode 
lib/gui/utils.py