C:\Users\alexw\coding\cpython>python Tools/patchcheck/patchcheck.py Running Release|x64 interpreter... Getting base branch for PR ... upstream/main Getting the list of files that have been added/changed ... 1 file Fixing Python file whitespace ... Traceback (most recent call last): File "C:\Users\alexw\coding\cpython\Tools\patchcheck\patchcheck.py", line 325, in <module> main() File "C:\Users\alexw\coding\cpython\Tools\patchcheck\patchcheck.py", line 293, in main normalize_whitespace(python_files) File "C:\Users\alexw\coding\cpython\Tools\patchcheck\patchcheck.py", line 35, in call_fxn result = fxn(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^ File "C:\Users\alexw\coding\cpython\Tools\patchcheck\patchcheck.py", line 188, in normalize_whitespace and reindent.check(os.path.join(SRCDIR, path)) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\alexw\coding\cpython\Tools\patchcheck\reindent.py", line 138, in check if r.run(): ^^^^^^^ File "C:\Users\alexw\coding\cpython\Tools\patchcheck\reindent.py", line 203, in run for _token in tokens: File "C:\Users\alexw\coding\cpython\Lib\tokenize.py", line 537, in _generate_tokens_from_c_tokenizer for info in it: SystemError: Negative size passed to PyUnicode_New 

Python 3.13.0a0 (heads/main:c5111aec2b, Jun 15 2023, 10:53:37) [MSC v.1932 64 bit (AMD64)] on win32