build failure due to dh_auto_test failure

Job #4826736066 failed for 626ea8c8:

   dh_auto_test -O--buildsystem=pybuild
I: pybuild base:240: cd /builds/kalilinux/packages/plecost/debian/output/source_dir/.pybuild/cpython3_3.11/build; python3.11 -m unittest discover -v 
plecost_lib.libs.updaters (unittest.loader._FailedTest.plecost_lib.libs.updaters) ... ERROR
======================================================================
ERROR: plecost_lib.libs.updaters (unittest.loader._FailedTest.plecost_lib.libs.updaters)
----------------------------------------------------------------------
ImportError: Failed to import test module: plecost_lib.libs.updaters
Traceback (most recent call last):
  File "/usr/lib/python3.11/unittest/loader.py", line 440, in _find_test_path
    package = self._get_module_from_name(name)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/unittest/loader.py", line 350, in _get_module_from_name
    __import__(name)
  File "/builds/kalilinux/packages/plecost/debian/output/source_dir/.pybuild/cpython3_3.11/build/plecost_lib/libs/updaters/__init__.py", line 42, in <module>
    from .cves import update_cve
  File "/builds/kalilinux/packages/plecost/debian/output/source_dir/.pybuild/cpython3_3.11/build/plecost_lib/libs/updaters/cves.py", line 54, in <module>
    from ..utils import update_progress, colorize, get_data_folder
  File "/builds/kalilinux/packages/plecost/debian/output/source_dir/.pybuild/cpython3_3.11/build/plecost_lib/libs/utils.py", line 225, in <module>
    @asyncio.coroutine
     ^^^^^^^^^^^^^^^^^
AttributeError: module 'asyncio' has no attribute 'coroutine'

This has been looked at a couple of times, it's not as simple as it initially looks. An initial attempt to get it fixed upstream was at https://github.com/iniqua/plecost/pull/35 but noticed that it's not as simple as it looks :)