code: def test_is_file_missing(self, alpharep):
      root = zipfile.Path(alpharep)
      assert not root.joinpath("missing.txt").is_file()
  
imports: import io
  import itertools
  import contextlib
  import pathlib
  import pickle
  import sys
  import unittest
  import zipfile
  from ._functools import compose
  from ._itertools import Counter
  from ._test_params import parameterize, Invoked
  from test.support.os_helper import temp_dir
label_desc: Use image node_id 4 for calling the TestPath obj's underlying member method code with example usage: obj.test_is_file_missing(alpharep) without return types