code: def test_open(self, alpharep):
      root = zipfile.Path(alpharep)
      a, b, g, j = root.iterdir()
      with a.open(encoding="utf-8") as strm:
          data = strm.read()
      self.assertEqual(data, "content of a")
      with a.open(
          "r", "utf-8"
      ) as strm:  # not a kw, no gh-101144 TypeError
          data = strm.read()
      self.assertEqual(data, "content of a")
  
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 7 for calling the TestPath obj's underlying member method code with example usage: obj.test_open(alpharep) without return types