2 warnings coming from kube backend during test run

[TomasTomecek]

Is this a bug in the library or on our end?

Exception TypeError: "'NoneType' object is not callable" in <bound method ApiClient.__del__ of <kubernetes.client.api_client.ApiClient object at 0x7f26c3b06250>> ignored
Exception TypeError: "'NoneType' object is not callable" in <bound method ApiClient.__del__ of <kubernetes.client.api_client.ApiClient object at 0x7f26c3a97650>> ignored

The test run just for context:

�[1m�[31m___________________________________ test_pod ___________________________________�[0m

�[1m    def test_pod():�[0m
�[1m        with DockerBackend() as backend:�[0m
�[1m            image = backend.ImageClass(FEDORA_MINIMAL_REPOSITORY, tag=FEDORA_MINIMAL_REPOSITORY_TAG)�[0m
�[1m    �[0m
�[1m            pod = image.run_in_pod(namespace='conu')�[0m
�[1m    �[0m
�[1m            try:�[0m
�[1m>               pod.wait(200)�[0m

�[1m�[31mtests/integration/test_k8s.py�[0m:29: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
�[1m�[31mconu/backend/k8s/pod.py�[0m:110: in wait
�[1m    Probe(timeout=timeout, fnc=self.get_phase, expected_retval=PodPhase.RUNNING).run()�[0m
�[1m�[31mconu/utils/probes.py�[0m:63: in run
�[1m    return self._run()�[0m
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <conu.utils.probes.Probe object at 0x7f26a3131310>

�[1m    def _run(self):�[0m
�[1m        start = time.time()�[0m
�[1m        fnc_queue = Queue()�[0m
�[1m        logger.debug("starting probe")�[0m
�[1m        p = Process(target=self._wrapper, args=(fnc_queue, start))�[0m
�[1m        p.start()�[0m
�[1m        logger.debug("first process started: pid=%s", p.pid)�[0m
�[1m        tries = 1�[0m
�[1m        while (tries <= self.count or self.count == -1) and \�[0m
�[1m                (self.timeout == -1 or time.time() - start <= self.timeout):�[0m
�[1m            if p.is_alive():�[0m
�[1m                logger.debug("pausing for %s before next try", self.pause)�[0m
�[1m                time.sleep(self.pause)�[0m
�[1m            elif not fnc_queue.empty():�[0m
�[1m                result = fnc_queue.get()�[0m
�[1m                if isinstance(result, Exception):�[0m
�[1m                    # TODO: use result's traceback�[0m
�[1m                    if self.queue:�[0m
�[1m                        self.queue.put(result)�[0m
�[1m                    else:�[0m
�[1m                        raise result�[0m
�[1m                elif not (result == self.expected_retval):�[0m
�[1m                    logger.debug("result = %s", result)�[0m
�[1m                    logger.debug("waiting for process to end...")�[0m
�[1m                    p.join()�[0m
�[1m                    logger.debug("process ended, about to start another one")�[0m
�[1m                    p = Process(target=self._wrapper, args=(fnc_queue, start))�[0m
�[1m                    p.start()�[0m
�[1m                    tries += 1�[0m
�[1m                    logger.debug("attempt no. %s started, pid: %s", tries, p.pid)�[0m
�[1m                else:�[0m
�[1m                    return True�[0m
�[1m            else:�[0m
�[1m                return True�[0m
�[1m        else:�[0m
�[1m            p.terminate()�[0m
�[1m            p.join()�[0m
�[1m            if -1 < self.count < tries:�[0m
�[1m                e = CountExceeded�[0m
�[1m            else:�[0m
�[1m                e = ProbeTimeout("Timeout exceeded.")�[0m
�[1m            logger.warning("probe is unsuccessful: %s", e)�[0m
�[1m            if self.queue:�[0m
�[1m                self.queue.put(e)�[0m
�[1m            else:�[0m
�[1m>               raise e�[0m
�[1m�[31mE               ProbeTimeout: Timeout exceeded.�[0m

�[1m�[31mconu/utils/probes.py�[0m:157: ProbeTimeout
----------------------------- Captured stderr call -----------------------------
10:28:12.686 backend.py        INFO   conu has initiated, welcome to the party!
...
10:28:13.083 image.py          INFO   Starting Pod fedora-minimal-root-wq09-pod in namespace conu
...
10:31:33.917 probes.py         WARNING probe is unsuccessful: Timeout exceeded.
...
10:31:34.078 pod.py            INFO   Deleting Pod fedora-minimal-root-wq09-pod in namespace conu
...
------------------------------ Captured log call -------------------------------
backend.py                 122 INFO     conu has initiated, welcome to the party!
image.py                   493 INFO     Starting Pod fedora-minimal-root-wq09-pod in namespace conu
probes.py                  153 WARNING  probe is unsuccessful: Timeout exceeded.
pod.py                      60 INFO     Deleting Pod fedora-minimal-root-wq09-pod in namespace conu