https://github.com/boostorg/python/blob/32da86df269fb8f7ef777ddd8c3424d854e94455/src/converter/builtin_converters.cpp#L56 https://docs.python.org/3.14/deprecations/index.html#id2 > _PyUnicode_AsString(): use [PyUnicode_AsUTF8()](https://docs.python.org/3.14/c-api/unicode.html#c.PyUnicode_AsUTF8).
python/src/converter/builtin_converters.cpp
Line 56 in 32da86d
https://docs.python.org/3.14/deprecations/index.html#id2