code: def blitbox(self):
      return self._bbox_queue
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import six
  import ctypes
  from matplotlib import cbook
  from matplotlib.transforms import Bbox
  from .backend_agg import FigureCanvasAgg
  from .backend_qt5 import QtCore, QtGui, QtWidgets, _BackendQT5, FigureCanvasQT, FigureManagerQT, NavigationToolbar2QT, backend_version
  from .qt_compat import QT_API
label_desc: Use image node_id 2 for calling the FigureCanvasQTAgg obj's underlying member method code with example usage: obj.blitbox() and returns: self