======================================================================
FAIL: test_random_files (test.test_tokenize.TestRoundtrip.test_random_files) (file='D:\\a\\cpython\\cpython\\Lib\\test\\test_peepholer.py')
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Traceback (most recent call last):
  File "D:\a\cpython\cpython\Lib\test\test_tokenize.py", line 1927, in test_random_files
    self.check_roundtrip(f)
    ~~~~~~~~~~~~~~~~~~~~^^^
  File "D:\a\cpython\cpython\Lib\test\test_tokenize.py", line 1823, in check_roundtrip
    self.assertEqual(tokens2_from2, tokens2)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: Lists differ: [(65,[68848 chars]'), (55, '{'), (3, "'a'"), (55, ':'), (60, ' '[54206 chars] '')] != [(65,[68848 chars]'), (60, '{'), (60, "'a': "), (55, '{'), (1, '[54177 chars] '')]

First differing element 5042:
(55, '{')
(60, '{')

First list contains 3 additional elements.
First extra element 9009:
(4, '\r\n')

Diff is 150565 characters long. Set self.maxDiff to None to see it.

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Ran 1 test in 2.156s

First differing element 31519:
(60, "el .get ('NS')}")
(55, '{')

Second list contains 16 additional elements.
First extra element 32175:
(6, '')

Diff is 550642 characters long. Set self.maxDiff to None to see it.

        # TODO: Remove this once we can untokenize PEP 701 syntax
        testfiles.remove(os.path.join(tempdir, "test_fstring.py"))

f:/dev/3x/Lib/test/test_format.py
tok lengths: 5100 5103
60, xx{, (533, 22), (533, 25)
                    f"xx{{value:{bad_format_spec}}}yy".format(value=value)
60, xx, (533, 22), (533, 24)
                    f"xx{  value:{bad_format_spec}}  yy".format(value=value)

f:/dev/3x/Lib/test/test_os.py
tok lengths: 39699 39700
60, environ({, (1063, 38), (1063, 47)
        self.assertEqual(repr(env), f"environ({{{formatted_items}}})")
60, environ(, (1063, 38), (1063, 46)
        self.assertEqual(repr(env), f"environ({  {formatted_items}}  )")

f:/dev/3x/Lib/test/test_peepholer.py
tok lengths: 8620 8624
60, {, (620, 24), (620, 25)
            pattern = f"{{'a': {a}, 'b': {b}, 'c': {c}}}"
55, {, (620, 24), (620, 25)
            pattern = f"{  'a': {a}, 'b': {b}, 'c': {c}}  "

f:/dev/3x/Lib/test/test_xml_etree.py
tok lengths: 31556 31558
60, {, (4144, 26), (4144, 27)
                        f"{{{el.get('NS')}}}{el.get('Name')}"
55, {, (4144, 26), (4144, 27)
                        f"{  {el.get('NS')}}  {el.get('Name')}"