code: def _init_ugly_crap():
      """This function implements a few ugly things so that we can patch the
      traceback objects.  The function returned allows resetting `tb_next` on
      any python traceback object.  Do not attempt to use this on non cpython
      interpreters
      """
      import ctypes
      from types import TracebackType
  
      # figure out side of _Py_ssize_t
      if hasattr(ctypes.pythonapi, "Py_InitModule4_64"):
          _Py_ssize_t = ctypes.c_int64
      else:
          _Py_ssize_t = ctypes.c_int
  
      # regular python
      class _PyObject(ctypes.Structure):
          pass
  
      _PyObject._fields_ = [
          ("ob_refcnt", _Py_ssize_t),
          ("ob_type", ctypes.POINTER(_PyObject)),
      ]
  
      # python with trace
      if hasattr(sys, "getobjects"):
  
          class _PyObject(ctypes.Structure):
              pass
  
          _PyObject._fields_ = [
              ("_ob_next", ctypes.POINTER(_PyObject)),
              ("_ob_prev", ctypes.POINTER(_PyObject)),
              ("ob_refcnt", _Py_ssize_t),
              ("ob_type", ctypes.POINTER(_PyObject)),
          ]
  
      class _Traceback(_PyObject):
          pass
  
      _Traceback._fields_ = [
          ("tb_next", ctypes.POINTER(_Traceback)),
          ("tb_frame", ctypes.POINTER(_PyObject)),
          ("tb_lasti", ctypes.c_int),
          ("tb_lineno", ctypes.c_int),
      ]
  
      def tb_set_next(tb, next):
          """Set the tb_next attribute of a traceback object."""
          if not (
              isinstance(tb, TracebackType)
              and (next is None or isinstance(next, TracebackType))
          ):
              raise TypeError(
                  "tb_set_next arguments must be traceback objects"
              )
          obj = _Traceback.from_address(id(tb))
          if tb.tb_next is not None:
              old = _Traceback.from_address(id(tb.tb_next))
              old.ob_refcnt -= 1
          if next is None:
              obj.tb_next = ctypes.POINTER(_Traceback)()
          else:
              next = _Traceback.from_address(id(next))
              next.ob_refcnt += 1
              obj.tb_next = ctypes.pointer(next)
  
      return tb_set_next
  
label_desc: Use image node_id 1 for calling a global function with example usage: _init_ugly_crap() and returns: tb_set_next