Major - P3 A MockupDB test is failing on the v3.8 branch:
https://evergreen.mongodb.com/task/mongo_python_driver_3.8_mockupdb_tests__python_version~2.7_mockupdb_353be171792c3517146febc25504ca6cd405aaad_19_04_19_22_54_54
[2019/04/19 16:26:40.701] FAIL: test_not_master_find_one (tests.test_reset_and_request_check.TestResetAndRequestCheck) [2019/04/19 16:26:40.701] ---------------------------------------------------------------------- [2019/04/19 16:26:40.701] Traceback (most recent call last): [2019/04/19 16:26:40.701] File "/data/mci/d4c3cabd4f516da536e5f3c8e9a94102/pymongo-mockup-tests/tests/test_reset_and_request_check.py", line 117, in test [2019/04/19 16:26:40.701] test_method(self, operation) [2019/04/19 16:26:40.701] File "/data/mci/d4c3cabd4f516da536e5f3c8e9a94102/pymongo-mockup-tests/tests/test_reset_and_request_check.py", line 112, in _test_not_master [2019/04/19 16:26:40.701] self.assertGreater(after, before, 'ismaster not called') [2019/04/19 16:26:40.701] AssertionError: ismaster not called
It started failing after PYTHON-1783 so I think there was a problem in the cherry-pick.