[Python-modules-team] Bug#887819: pyzmq FTBFS: TestAsyncioAuthentication.test_null failure

[Adrian Bunk]

Source: pyzmq
Version: 16.0.2-2
Severity: serious
Tags: buster sid

Some recent change in unstable makes pyzmq FTBFS:

https://tests.reproducible-builds.org/debian/history/pyzmq.html
https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/pyzmq.html

...
=================================== FAILURES ===================================
_____________________ TestAsyncioAuthentication.test_null ______________________

self = <zmq.tests.asyncio._test_asyncio.TestAsyncioAuthentication testMethod=test_null>

    def test_null(self):
        """threaded auth - NULL"""
        # A default NULL connection should always succeed, and not
        # go through our authentication infrastructure at all.
        self.auth.stop()
        self.auth = None
        # use a new context, so ZAP isn't inherited
        self.context = self.Context()
    
        server = self.socket(zmq.PUSH)
        client = self.socket(zmq.PULL)
        self.assertTrue(self.can_connect(server, client))
    
        # By setting a domain we switch on authentication for NULL sockets,
        # though no policies are configured yet. The client connection
        # should still be allowed.
        server = self.socket(zmq.PUSH)
        server.zap_domain = b'global'
        client = self.socket(zmq.PULL)
>       self.assertTrue(self.can_connect(server, client))
E       AssertionError: False is not true

zmq/tests/test_auth.py:131: AssertionError
----------------------------- Captured stderr call -----------------------------
DEBUG:zmq.auth:Starting
--------------------------- Captured stderr teardown ---------------------------
ERROR:asyncio:Task was destroyed but it is pending!
task: <Task pending coro=<AsyncioAuthenticator.__handle_zap() done, defined at /build/1st/pyzmq-16.0.2/.pybuild/pythonX.Y_3.6/build/zmq/auth/asyncio/__init__.py:25> wait_for=<Future cancelled>>
=============== 1 failed, 221 passed, 9 skipped in 32.51 seconds ===============
E: pybuild pybuild:283: test: plugin distutils failed with: exit code=1: cd /build/1st/pyzmq-16.0.2/.pybuild/pythonX.Y_3.6/build; python3.6 -m pytest -v --ignore=zmq/tests/test_auth.py --ignore=zmq/tests/test_security.py
dh_auto_test: pybuild --test --test-pytest -i python{version} -p 3.6 --test-pytest returned exit code 13
debian/rules:56: recipe for target 'override_dh_auto_test' failed
make[1]: *** [override_dh_auto_test] Error 25