code: def popup(self, *args):
      if not self.valid:
          self.updateState()
      QtWidgets.QMenu.popup(self, *args)
  
imports: from ...Qt import QtCore, QtGui, QtWidgets
  from ...WidgetGroup import WidgetGroup
  from .None import axisCtrlTemplate_generic
  import weakref
  from .ViewBox import ViewBox
label_desc: Use image node_id 4 for calling the ViewBoxMenu obj's underlying member method code with example usage: obj.popup() without return types