def __init__(self, caption, height, width):
        """
        Initialize a new image viewer.

        Args:
            caption (str): the caption/title for the window
            height (int): the height of the window
            width (int): the width of the window

        Returns:
            None
        """
        self.caption = caption
        self.height = height
        self.width = width
        self._window = None
def __init__ ( self , caption , height , width ) : self . caption = caption self . height = height self . width = width self . _window = None
Initialize a new image viewer.

        Args:
            caption (str): the caption/title for the window
            height (int): the height of the window
            width (int): the width of the window

        Returns:
            None