/usr/share/doc/diveintopython-zh/html/unit_testing/ is in diveintopython-zh 5.4b-1.
This file is owned by root:root, with mode 0o755.
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/usr/share/doc/diveintopython-zh/html/unit_testing/diving_in.html
/usr/share/doc/diveintopython-zh/html/unit_testing/index.html
/usr/share/doc/diveintopython-zh/html/unit_testing/romantest.html
/usr/share/doc/diveintopython-zh/html/unit_testing/stage_1.html
/usr/share/doc/diveintopython-zh/html/unit_testing/stage_2.html
/usr/share/doc/diveintopython-zh/html/unit_testing/stage_3.html
/usr/share/doc/diveintopython-zh/html/unit_testing/stage_4.html
/usr/share/doc/diveintopython-zh/html/unit_testing/stage_5.html
/usr/share/doc/diveintopython-zh/html/unit_testing/testing_for_failure.html
/usr/share/doc/diveintopython-zh/html/unit_testing/testing_for_sanity.html
/usr/share/doc/diveintopython-zh/html/unit_testing/testing_for_success.html