code: def captureStack():
      """Inspect the curent call stack"""
      x = "inside captureStack()"
      global console
      console.setStack()
      return x
  
imports: import sys
  import queue
  import functools
  import threading
  import pyqtgraph
  import pyqtgraph.console
  from pyqtgraph.Qt import QtWidgets
  from pyqtgraph.debug import threadName
label_desc: Use image node_id 5 for calling a global function with example usage: captureStack() and returns: x