https://travis-ci.org/wikimedia/pywikibot/jobs/329427210#L4794
====================================================================== FAIL: test_lookup_name (tests.namespace_tests.TestNamespaceDictDeprecated) Test Namespace.lookup_name. ---------------------------------------------------------------------- Traceback (most recent call last): File "/home/travis/build/wikimedia/pywikibot/tests/namespace_tests.py", line 319, in test_lookup_name self.assertIsInstance(file_ns, Namespace) File "/home/travis/build/wikimedia/pywikibot/tests/aspects.py", line 1193, in inner_assert self.after_assert(assertion, *args, **kwargs) File "/home/travis/build/wikimedia/pywikibot/tests/aspects.py", line 1735, in after_assert self.assertOneDeprecation() File "/home/travis/build/wikimedia/pywikibot/tests/aspects.py", line 1674, in assertOneDeprecation self.assertDeprecation(msg) File "/home/travis/build/wikimedia/pywikibot/tests/aspects.py", line 1661, in assertDeprecation self.assertDeprecationFile(self.expect_warning_filename) File "/home/travis/build/wikimedia/pywikibot/tests/aspects.py", line 1704, in assertDeprecationFile % (filename, item)) AssertionError: expected warning filename /home/travis/build/wikimedia/pywikibot/tests/namespace_tests.py; warning item: {message : ResourceWarning("unclosed <socket.socket fd=20, family=AddressFamily.AF_INET, type=2049, proto=6, laddr=('172.17.0.11', 43256), raddr=('195.28.75.37', 443)>",), category : 'ResourceWarning', filename : '/opt/python/3.6.3/lib/python3.6/inspect.py', lineno : 684, line : None} ----------------------------------------------------------------------