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Description
Bug report
Take the following piece of code:
importsys,tracebacktry:ｗｉｄｔｈexcept:_,_,tb=sys.exc_info()tblist=traceback.extract_tb(tb)print(traceback.format_list(tblist))
With Python 3.10 and earlier versions, executing a file with this code produces:
[' File "/tmp/test.py", line 3, in <module>\n ｗｉｄｔｈ\n']With Python 3.11, aUnicodeDecodeError is raised instead:
Traceback (most recent call last): File "/tmp/test.py", line 9, in <module> print(traceback.format_list(tblist)) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/lib/python3.11/traceback.py", line 41, in format_list return StackSummary.from_list(extracted_list).format() ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/lib/python3.11/traceback.py", line 531, in format formatted_frame = self.format_frame_summary(frame_summary) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/lib/python3.11/traceback.py", line 478, in format_frame_summary colno = _byte_offset_to_character_offset( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/lib/python3.11/traceback.py", line 566, in _byte_offset_to_character_offset return len(as_utf8[:offset + 1].decode("utf-8")) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^UnicodeDecodeError: 'utf-8' codec can't decode byte 0xef in position 4: unexpected end of dataYour environment
- CPython versions tested on: 3.10.8 and 3.11.0
- Operating system and architecture: Debian unstable, amd64