xu0o0 8a33a072d2 Fix invalid escape sequence in utils, minor cleanup in python script ()
According to the Python document[1], any invalid escape sequences in
string literals now generate a DeprecationWarning (SyntaxWarning as of
3.12) and in the future this will become a SyntaxError.

This Change uses Python’s raw string notation for regular expression
patterns to avoid it.

[1]: https://docs.python.org/3.10/library/re.html

Signed-off-by: haoqixu <hq.xu0o0@gmail.com>
2024-09-03 09:00:45 -07:00
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