/usr/lib/pypy/lib-python/3/ is in pypy-lib-testsuite 5.6.0+dfsg-4.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/pypy/lib-python/3/test/
/usr/lib/pypy/lib-python/3/test/crashers/
/usr/lib/pypy/lib-python/3/test/crashers/trace_at_recursion_limit.py
/usr/lib/pypy/lib-python/3/test/json_tests/
/usr/lib/pypy/lib-python/3/test/json_tests/test_tool.py
/usr/lib/pypy/lib-python/3/test/mp_fork_bomb.py
/usr/lib/pypy/lib-python/3/test/sample_doctest_no_docstrings.py
/usr/lib/pypy/lib-python/3/test/sample_doctest_no_doctests.py
/usr/lib/pypy/lib-python/3/test/test__osx_support.py
/usr/lib/pypy/lib-python/3/test/test_file_eintr.py
/usr/lib/pypy/lib-python/3/test/test_tools.py
/usr/lib/pypy/lib-python/3/tkinter/
/usr/lib/pypy/lib-python/3/tkinter/test/
/usr/lib/pypy/lib-python/3/tkinter/test/test_tkinter/
/usr/lib/pypy/lib-python/3/tkinter/test/test_tkinter/test_misc.py