[issue40754] Test installers before releasing (ModuleNotFoundErrors)

[honglei jiang]

honglei jiang <jhonglei at gmail.com> added the comment:

c:\Python39>python -m test -j4
== CPython 3.9.0b2 (tags/v3.9.0b2:0b1a1c8, Jun 8 2020, 22:55:31) [MSC v.1924 64 bit (AMD64)]
== Windows-10-10.0.18362-SP0 little-endian
== cwd: C:\Users\jhong\AppData\Local\Temp\test_python_5960
== CPU count: 4
== encodings: locale=cp936, FS=utf-8
0:00:00 Run tests in parallel using 4 child processes

== Tests result: FAILURE ==

358 tests OK.

24 tests failed:
    test__locale test_array test_buffer test_capi test_deque
    test_exceptions test_flufl test_fstring test_grammar
    test_itertools test_locale test_memoryio test_ordered_dict
    test_parser test_pickle test_positional_only_arg
    test_string_literals test_struct test_syntax test_sys
    test_traceback test_urllib test_urllib2 test_xml_etree_c

43 tests skipped:
    test_asdl_parser test_check_c_globals test_clinic test_curses
    test_dbm_gnu test_dbm_ndbm test_devpoll test_epoll test_fcntl
    test_fork1 test_gdb test_grp test_ioctl test_kqueue
    test_multiprocessing_fork test_multiprocessing_forkserver test_nis
    test_openpty test_ossaudiodev test_pipes test_poll test_posix
    test_pty test_pwd test_readline test_resource test_smtpnet
    test_socketserver test_spwd test_syslog test_threadsignals
    test_timeout test_tix test_tk test_ttk_guionly test_urllib2net
    test_urllibnet test_wait3 test_wait4 test_winsound test_xmlrpc_net
    test_xxtestfuzz test_zipfile64

Total duration: 6 min 44 sec
Tests result: FAILURE

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<https://bugs.python.org/issue40754>
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