Yapf not formatting python generic

[Selvaganapathi-A]

code to reproduce

class Node[T]:
    def __init__(self, value: T) -> None:
        self.value = value

log
'''
2024-02-04 20:55:56.160 [info] [Trace - 8:55:56 PM] Sending request 'textDocument/formatting - (7)'.
2024-02-04 20:55:56.163 [info] [Trace - 8:55:56 PM] Received notification 'window/logMessage'.
2024-02-04 20:55:56.163 [info] d:\platipus.venv\Scripts\python.exe -m yapf
2024-02-04 20:55:56.164 [info] [Trace - 8:55:56 PM] Received notification 'window/logMessage'.
2024-02-04 20:55:56.164 [info] CWD Linter: d:\platipus
2024-02-04 20:55:56.188 [info] [Trace - 8:55:56 PM] Received notification 'window/logMessage'.
2024-02-04 20:55:56.189 [info] [Error - 8:55:56 PM] Traceback (most recent call last):
File "d:\platipus.venv\Lib\site-packages\yapf\yapflib\yapf_api.py", line 198, in FormatCode
tree = pytree_utils.ParseCodeToTree(unformatted_source)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "d:\platipus.venv\Lib\site-packages\yapf\pytree\pytree_utils.py", line 113, in ParseCodeToTree
tree = parser_driver.parse_string(code, debug=False)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "d:\platipus.venv\Lib\site-packages\yapf_third_party_ylib2to3\pgen2\driver.py", line 188, in parse_string
return self.parse_tokens(tokens, debug)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "d:\platipus.venv\Lib\site-packages\yapf_third_party_ylib2to3\pgen2\driver.py", line 157, in parse_tokens
if p.addtoken(type, value, (prefix, start)):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "d:\platipus.venv\Lib\site-packages\yapf_third_party_ylib2to3\pgen2\parse.py", line 230, in addtoken
return self._addtoken(ilabel, type, value, context)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "d:\platipus.venv\Lib\site-packages\yapf_third_party_ylib2to3\pgen2\parse.py", line 313, in _addtoken
raise ParseError('bad input', type, value, context)
yapf_third_party._ylib2to3.pgen2.parse.ParseError: bad input: type=9, value='[', context=('', (4, 10))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "d:\platipus.venv\Lib\site-packages\yapf_init_.py", line 116, in main
reformatted_source, _ = yapf_api.FormatCode(
^^^^^^^^^^^^^^^^^^^^
File "d:\platipus.venv\Lib\site-packages\yapf\yapflib\yapf_api.py", line 201, in FormatCode
raise errors.YapfError(errors.FormatErrorMsg(e))
^^^^^^^^^^^^^^^^^^^^^^^^
File "d:\platipus.venv\Lib\site-packages\yapf\yapflib\errors.py", line 37, in FormatErrorMsg
return '{}:{}:{}: {}'.format(e.args[1][0], e.args[1][1], e.args[1][2], e.msg)
~~~~~~^^^
IndexError: tuple index out of range

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "c:\Users\Tesla.vscode\extensions\eeyore.yapf-2023.12.104100706\bundled\tool\lsp_server.py", line 367, in _run_tool_on_document
result = utils.run_module(
^^^^^^^^^^^^^^^^^
File "c:\Users\Tesla.vscode\extensions\eeyore.yapf-2023.12.104100706\bundled\tool\lsp_utils.py", line 202, in run_module
return run_module(module, argv, use_stdin, source)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "c:\Users\Tesla.vscode\extensions\eeyore.yapf-2023.12.104100706\bundled\tool\lsp_utils.py", line 189, in run_module
runpy.run_module(module, run_name="main")
File "", line 229, in run_module
File "", line 88, in run_code
File "d:\platipus.venv\Lib\site-packages\yapf_main.py", line 18, in
yapf.run_main()
File "d:\platipus.venv\Lib\site-packages\yapf_init.py", line 380, in run_main
sys.exit(main(sys.argv))
^^^^^^^^^^^^^^
File "d:\platipus.venv\Lib\site-packages\yapf_init.py", line 124, in main
raise errors.YapfError(errors.FormatErrorMsg(e))
^^^^^^^^^^^^^^^^^^^^^^^^
File "d:\platipus.venv\Lib\site-packages\yapf\yapflib\errors.py", line 37, in FormatErrorMsg
return '{}:{}:{}: {}'.format(e.args[1][0], e.args[1][1], e.args[1][2], e.msg)
~~~~~~^^^
IndexError: tuple index out of range

2024-02-04 20:55:56.190 [info] [Trace - 8:55:56 PM] Received notification 'window/showMessage'.
2024-02-04 20:55:56.191 [info] [Trace - 8:55:56 PM] Received response 'textDocument/formatting - (7)' in 31ms. Request failed: IndexError: tuple index out of range (-32603).
2024-02-04 20:55:56.192 [info] [Error - 8:55:56 PM] Request textDocument/formatting failed.
2024-02-04 20:55:56.192 [info] Message: IndexError: tuple index out of range
Code: -32603
'''