code: def setException(self, exc=None, lastFrame=None):
      self.clearExceptionBtn.setEnabled(True)
      self.stackTree.setException(exc, lastFrame=lastFrame)
  
imports: import sys, re, traceback, threading
  from ..None import exceptionHandling
  from ..Qt import QtWidgets, QtCore
  from ..functions import SignalBlock
  from .stackwidget import StackWidget
label_desc: Use image node_id 4 for calling the ExceptionHandlerWidget obj's underlying member method code with example usage: obj.setException(exc, lastFrame) without return types