SyntaxWarning: invalid escape sequence

[cclauss]

Fixed in #55

• Fix invalid escape sequence warnings #55

https://docs.python.org/3/reference/lexical_analysis.html#unrecognized-escape-sequences

Changed in version 3.12: Unrecognized escape sequences produce a SyntaxWarning.
In a future Python version, they will raise a SyntaxError.

https://docs.python.org/3/whatsnew/3.12.html#other-language-changes

.venv/lib/python3.13/site-packages/httpbin/helpers.py:38: SyntaxWarning: invalid escape sequence '_'

httpbin/httpbin/helpers.py

Line 38 in e32f993

\_;`"---"`|//

venv/lib/python3.13/site-packages/httpbin/helpers.py:84: SyntaxWarning: invalid escape sequence '\ '
\ .-" "-. /

httpbin/httpbin/helpers.py

Line 84 in e32f993

\ .-"` `"-. /

venv/lib/python3.13/site-packages/httpbin/helpers.py:444: SyntaxWarning: invalid escape sequence '\s'
match = re.search('\s*(W/)?"?([^"])"?\s', part)

httpbin/httpbin/helpers.py

Line 444 in e32f993

match = re.search('\s*(W/)?\"?([^"]*)\"?\s*', part)

[Mirochill]

This appears to be covered by the existing PR #55: it changes the two ASCII art string literals and the parse_multi_value_header() regex referenced in this issue.