python-uvicorn: FTBFS: DeprecationWarning: The 'asyncio_mode' default value will change to 'strict' in future

See the failed build log here: https://launchpadlibrarian.net/591269853/buildlog_ubuntu-jammy-amd64.python-uvicorn_0.15.0-2_BUILDING.txt.gz.

The relevant section is as follows:

I: pybuild pybuild:298: cp -r /<<PKGBUILDDIR>>/tests /<<PKGBUILDDIR>>/.pybuild/cpython3_3.10/build
I: pybuild base:237: cd /<<PKGBUILDDIR>>/.pybuild/cpython3_3.10/build; python3.10 -m pytest -s --verbose -k 'not test_run and not test_invalid_upgrade and not test_default_headers and not test_trace_logging and not test_websocket_auto' --ignore=tests/protocols/test_websocket.py
INTERNALERROR> Traceback (most recent call last):
INTERNALERROR> File "/usr/lib/python3/dist-packages/_pytest/main.py", line 265, in wrap_session
INTERNALERROR> config._do_configure()
INTERNALERROR> File "/usr/lib/python3/dist-packages/_pytest/config/__init__.py", line 982, in _do_configure
INTERNALERROR> self.hook.pytest_configure.call_historic(kwargs=dict(config=self))
INTERNALERROR> File "/usr/lib/python3/dist-packages/pluggy/hooks.py", line 308, in call_historic
INTERNALERROR> res = self._hookexec(self, self.get_hookimpls(), kwargs)
INTERNALERROR> File "/usr/lib/python3/dist-packages/pluggy/manager.py", line 92, in _hookexec
INTERNALERROR> return self._inner_hookexec(hook, methods, kwargs)
INTERNALERROR> File "/usr/lib/python3/dist-packages/pluggy/manager.py", line 83, in <lambda>
INTERNALERROR> self._inner_hookexec = lambda hook, methods, kwargs: hook.multicall(
INTERNALERROR> File "/usr/lib/python3/dist-packages/pluggy/callers.py", line 208, in _multicall
INTERNALERROR> return outcome.get_result()
INTERNALERROR> File "/usr/lib/python3/dist-packages/pluggy/callers.py", line 80, in get_result
INTERNALERROR> raise ex[1].with_traceback(ex[2])
INTERNALERROR> File "/usr/lib/python3/dist-packages/pluggy/callers.py", line 187, in _multicall
INTERNALERROR> res = hook_impl.function(*args)
INTERNALERROR> File "/usr/lib/python3/dist-packages/pytest_asyncio/plugin.py", line 191, in pytest_configure
INTERNALERROR> config.issue_config_time_warning(LEGACY_MODE, stacklevel=2)
INTERNALERROR> File "/usr/lib/python3/dist-packages/_pytest/config/__init__.py", line 1321, in issue_config_time_warning
INTERNALERROR> warnings.warn(warning, stacklevel=stacklevel)
INTERNALERROR> DeprecationWarning: The 'asyncio_mode' default value will change to 'strict' in future, please explicitly use 'asyncio_mode=strict' or 'asyncio_mode=auto' in pytest configuration file.
E: pybuild pybuild:367: test: plugin distutils failed with: exit code=3: cd /<<PKGBUILDDIR>>/.pybuild/cpython3_3.10/build; python3.10 -m pytest -s --verbose -k 'not test_run and not test_invalid_upgrade and not test_default_headers and not test_trace_logging and not test_websocket_auto' --ignore=tests/protocols/test_websocket.py
dh_auto_test: error: pybuild --test --test-pytest -i python{version} -p 3.10 returned exit code 13