code: def pop(self) -> RenderableQueue:
      self._idx -= 1
      return self._list.pop()
  
imports: from hail import ir
  import abc
  from typing import Sequence, MutableSequence, List, Set, Dict, Optional
  from collections import namedtuple
label_desc: Use image node_id 4 for calling the RQStack obj's underlying member method code with example usage: obj.pop() and returns: self