Fix SyntaxWarning in rlwrapfilter.py caused by strict escape sequence handling in Python 3.12 #189
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The rlwrapfilter.py with python 3.12 thows SyntaxWarning due to the changes on strict handling of escape sequences [1].
Please review this PR to fix the issue.
Thanks in advance.
[1] https://docs.python.org/3/whatsnew/3.12.html#other-language-changes