code: def add(self, line):
      if line.strip() == "":
          LineQueue.add(self, "\n")
      else:
          line = "  " + line[2:-3].rstrip() + "\n"
          LineQueue.add(self, line)
  
imports: import os
  import re
  import sys
  from plex import Scanner, Str, Lexicon, Opt, Bol, State, AnyChar, TEXT, IGNORE
  from plex.traditional import re
label_desc: Use image node_id 2 for calling the CommentQueue obj's underlying member method code with example usage: obj.add(line) without return types