Bug#1024064: cypari2 FTBFS with Python 3.11 as supported version

[Adrian Bunk]

Source: cypari2
Version: 2.1.2-3
Severity: serious
Tags: ftbfs

https://buildd.debian.org/status/logs.php?pkg=cypari2&ver=2.1.2-3%2Bb1

...
cypari2/convert.c: In function ‘__pyx_f_7cypari2_7convert_PyLong_FromINT’:
cypari2/convert.c:3388:21: error: lvalue required as unary ‘&’ operand
 3388 |   __pyx_v_sizeptr = &Py_SIZE(((PyObject *)__pyx_v_x));
      |                     ^
error: command '/usr/bin/x86_64-linux-gnu-gcc' failed with exit code 1
E: pybuild pybuild:379: build: plugin distutils failed with: exit code=1: /usr/bin/python3.11 setup.py build