test test_check_users fails

[mcepl]

While packaging the package for openSUSE/Factory, test test_check_users fails:

[   17s] =================================== FAILURES ===================================
[   17s] ________________________ ExamplesTest.test_check_users _________________________
[   17s] 
[   17s] self = <test_examples.ExamplesTest testMethod=test_check_users>
[   17s] 
[   17s]         def test_check_users(self):
[   17s] >           self._run_example('check_users.py', """\
[   17s]     USERS OK - \\d+ users logged in
[   17s]     users: .*
[   17s]     | total=\\d+;;;0 unique=\\d+;;;0
[   17s]     """)
[   17s] 
[   17s] tests/test_examples.py:39: 
[   17s] _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
[   17s] tests/test_examples.py:25: in _run_example
[   17s]     self.assertTrue(re.match(regexp, out.decode()) is not None,
[   17s] E   AssertionError: False is not true : "USERS UNKNOWN - cannot determine number of users (who failed)
[   17s] E   " does not match "USERS OK - \d+ users logged in
[   17s] E   users: .*
[   17s] E   | total=\d+;;;0 unique=\d+;;;0
[   17s] E   "
[   17s] =============================== warnings summary ===============================
[   17s] tests/test_examples.py:2
[   17s]   /home/abuild/rpmbuild/BUILD/nagiosplugin-1.3.3/tests/test_examples.py:2: DeprecationWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html
[   17s]     import pkg_resources
[   17s] 
[   17s] -- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
[   17s] =========================== short test summary info ============================
[   17s] FAILED tests/test_examples.py::ExamplesTest::test_check_users - AssertionErro...
[   17s] =================== 1 failed, 140 passed, 1 warning in 1.34s ===================

Complete build log with all packages used and steps taken to reproduce.