build: fix a few python string escape warnings #16449
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When using a regex (or anything that uses `\?` escapes) in python, raw strings (`r"content"`) should be used so python doesn't consume the escapes itself. Otherwise we get either broken behavior and/or `SyntaxWarning: invalid escape sequence '\['` Signed-off-by: David Lamparter <[email protected]>
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When using a regex (or anything that uses
\?escapes) in python, raw strings (r"content") should be used so python doesn't consume the escapes itself. Otherwise we get either broken behavior and/orSyntaxWarning: invalid escape sequence '\['