code: def setStack(self, frame=None):
      self.clearExceptionBtn.setEnabled(True)
      self.stackTree.setStack(frame)
  
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 3 for calling the ExceptionHandlerWidget obj's underlying member method code with example usage: obj.setStack(frame) without return types