code: def __init__(self, modules=None, dirs=None):
      self._mods = set() if not modules else set(modules)
      self._dirs = (
          [] if not dirs else [os.path.normpath(d) for d in dirs]
      )
      self._ignore = {"<string>": 1}
  
imports: import io
  import linecache
  import os
  import sys
  import sysconfig
  import token
  import tokenize
  import inspect
  import gc
  import dis
  import pickle
  from time import monotonic
  import threading
label_desc: Use image node_id 1 to create a new _Ignore object  with example: obj = _Ignore(modules, dirs)