[issue30108] test_site modifies sys.path

[STINNER Victor]

STINNER Victor added the comment:

Ah, I reproduced the bug:

$ rmdir ~/.local/lib/python3.7/site-packages; ./python -m test test_site 
Run tests sequentially
0:00:00 [1/1] test_site
Warning -- sys.path was modified by test_site
  Before: (140302199734024, ['', '/home/haypo/prog/GIT/perf', '/usr/local/lib/python37.zip', '/home/haypo/prog/python/master/Lib', '/home/haypo/prog/python/master/build/lib.linux-x86_64-3.7'], ['', '/home/haypo/prog/GIT/perf', '/usr/local/lib/python37.zip', '/home/haypo/prog/python/master/Lib', '/home/haypo/prog/python/master/build/lib.linux-x86_64-3.7'])
  After:  (140302199734024, ['', '/home/haypo/prog/GIT/perf', '/usr/local/lib/python37.zip', '/home/haypo/prog/python/master/Lib', '/home/haypo/prog/python/master/build/lib.linux-x86_64-3.7'], ['', '/home/haypo/prog/GIT/perf', '/usr/local/lib/python37.zip', '/home/haypo/prog/python/master/Lib', '/home/haypo/prog/python/master/build/lib.linux-x86_64-3.7', '/home/haypo/.local/lib/python3.7/site-packages']) 
test_site failed (env changed)

1 test altered the execution environment:
    test_site

Total duration: 229 ms
Tests result: SUCCESS

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30108>
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