vstinner@apu$ ./python -m test -v test_datetime test_datetime -m test_divide_and_round
== CPython 3.9.0a5+ (heads/pr/19122:0ac3031a80, Mar 25 2020, 02:25:19) [GCC 9.2.1 20190827 (Red Hat 9.2.1-1)]
== Linux-5.5.9-200.fc31.x86_64-x86_64-with-glibc2.30 little-endian
== cwd: /home/vstinner/python/master/build/test_python_233006
== CPU count: 8
== encodings: locale=UTF-8, FS=utf-8
0:00:00 load avg: 0.82 Run tests sequentially
0:00:00 load avg: 0.82 [1/2] test_datetime
test_divide_and_round (test.datetimetester.TestModule_Pure) ... ok
test_divide_and_round (test.datetimetester.TestModule_Fast) ... skipped 'Only run for Pure Python implementation'

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Ran 2 tests in 0.002s

OK (skipped=1)
0:00:00 load avg: 0.82 [2/2] test_datetime
test_divide_and_round (test.datetimetester.TestModule_Pure) ... ERROR
test_divide_and_round (test.datetimetester.TestModule_Fast) ... skipped 'Only run for Pure Python implementation'

======================================================================
ERROR: test_divide_and_round (test.datetimetester.TestModule_Pure)
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Traceback (most recent call last):
  File "/home/vstinner/python/master/Lib/test/datetimetester.py", line 87, in test_divide_and_round
    dar = datetime_module._divide_and_round
AttributeError: module 'datetime' has no attribute '_divide_and_round'

----------------------------------------------------------------------

Ran 2 tests in 0.006s

FAILED (errors=1, skipped=1)
test test_datetime failed
test_datetime failed

== Tests result: FAILURE ==

1 test OK.

1 test failed:
    test_datetime

Total duration: 448 ms
Tests result: FAILURE