Bug#1024078: pytango FTBFS with Python 3.11 as supported version

[Adrian Bunk]

Source: pytango
Version: 9.3.6-1
Severity: serious
Tags: ftbfs

https://buildd.debian.org/status/fetch.php?pkg=pytango&arch=amd64&ver=9.3.6-1%2Bb1&stamp=1668422071&raw=0

...
I: pybuild base:240: cd /<<PKGBUILDDIR>>/.pybuild/cpython3_3.11_tango/build; python3.11 -m pytest tests
ImportError while loading conftest '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.11_tango/build/tests/conftest.py'.
tests/conftest.py:3: in <module>
    from tango.test_utils import state, typed_values, server_green_mode
tango/__init__.py:83: in <module>
    from ._tango import (
E   SystemError: initialization of _tango raised unreported exception
E: pybuild pybuild:379: test: plugin distutils failed with: exit code=4: cd /<<PKGBUILDDIR>>/.pybuild/cpython3_3.11_tango/build; python3.11 -m pytest tests