class_docstr: The main dialog window.
code: def set_large_image(self, index):
      self.thumbnails[self.current_thumbnail].setFrameShape(
          QtWidgets.QFrame.Shape.NoFrame
      )
      self.current_thumbnail = index
      pixmap = QtGui.QPixmap(
          os.fspath(
              self.entries[self.current_entry].thumbnails[
                  self.current_thumbnail
              ]
          )
      )
      self.image_display.setPixmap(pixmap)
      self.thumbnails[self.current_thumbnail].setFrameShape(
          QtWidgets.QFrame.Shape.Box
      )
  
imports: import os
  from pathlib import Path
  import shutil
  import sys
  from matplotlib.backends.qt_compat import QtCore, QtGui, QtWidgets
  from matplotlib.backends.qt_compat import _exec
label_desc: Use image node_id 3 for calling the Dialog obj's underlying member method code with example usage: obj.set_large_image(index) without return types