code: def print_figure(self, *args, **kwargs):
      super().print_figure(*args, **kwargs)
      # In some cases, Qt will itself trigger a paint event after closing the file
      # save dialog. When that happens, we need to be sure that the internal canvas is
      # re-drawn. However, if the user is using an automatically-chosen Qt backend but
      # saving with a different backend (such as pgf), we do not want to trigger a
      # full draw in Qt, so just set the flag for next time.
      self._draw_pending = True
  
file_path: catboost/contrib/python/matplotlib/py3/matplotlib/backends/backend_qtagg.py
imports: import ctypes
  from matplotlib.transforms import Bbox
  from .qt_compat import QT_API, QtCore, QtGui
  from .backend_agg import FigureCanvasAgg
  from .backend_qt import _BackendQT, FigureCanvasQT
  from .backend_qt import FigureManagerQT, NavigationToolbar2QT
label_desc: Use image node_id 2 for calling the FigureCanvasQTAgg obj's underlying member method code with example usage: obj.print_figure() without return types