Python 3.x 为什么test_pathlib和test_shelve在构建Python3.7.4的make test中失败,我应该关心吗?

Python 3.x 为什么test_pathlib和test_shelve在构建Python3.7.4的make test中失败,我应该关心吗?,python-3.x,build,Python 3.x,Build,构建Python3.7.4,安装在非标准位置,因为我没有sudo。我在进行make测试时遇到两个错误: $ python3 test_pathlib.py .........................................s................F.........................................................s.........................s...................F.........

构建Python3.7.4,安装在非标准位置,因为我没有sudo。我在进行make测试时遇到两个错误:

$ python3 test_pathlib.py
.........................................s................F.........................................................s.........................s...................F.........................................................................................................................sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss
======================================================================
FAIL: test_touch_common (__main__.PathTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "test_pathlib.py", line 1690, in test_touch_common
    self.assertGreaterEqual(st.st_mtime_ns, old_mtime_ns)
AssertionError: 1564431558252148297 not greater than or equal to 1564431558252721000

======================================================================
FAIL: test_touch_common (__main__.PosixPathTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "test_pathlib.py", line 1690, in test_touch_common
    self.assertGreaterEqual(st.st_mtime_ns, old_mtime_ns)
AssertionError: 1564431558622160959 not greater than or equal to 1564431558623350000

----------------------------------------------------------------------
Ran 395 tests in 0.733s

FAILED (failures=2, skipped=114)

$ python3 test_shelve.py 
test_bool (__main__.TestAsciiFileShelve) ... ok
test_constructor (__main__.TestAsciiFileShelve) ... ok
test_get (__main__.TestAsciiFileShelve) ... ok
test_getitem (__main__.TestAsciiFileShelve) ... ok
test_items (__main__.TestAsciiFileShelve) ... ok
test_keys (__main__.TestAsciiFileShelve) ... ok
test_len (__main__.TestAsciiFileShelve) ... ok
test_pop (__main__.TestAsciiFileShelve) ... ok
test_popitem (__main__.TestAsciiFileShelve) ... ok
test_read (__main__.TestAsciiFileShelve) ... ok
test_setdefault (__main__.TestAsciiFileShelve) ... ok
test_update (__main__.TestAsciiFileShelve) ... gdbm fatal: couldn't init cache
你知道为什么这会失败吗