/usr/ is in python-pypy.sandbox 2.2.1+dfsg-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/python2.7/
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/pypy/
/usr/lib/python2.7/dist-packages/pypy/sandbox/
/usr/lib/python2.7/dist-packages/pypy/sandbox/rpython/
/usr/lib/python2.7/dist-packages/pypy/sandbox/rpython/translator/
/usr/lib/python2.7/dist-packages/pypy/sandbox/rpython/translator/sandbox/
/usr/lib/python2.7/dist-packages/pypy/sandbox/rpython/tool/
/usr/lib/pypy-sandbox/
/usr/lib/pypy-sandbox/pypy-c-sandbox
/usr/share/
/usr/share/doc/
/usr/share/doc/python-pypy.sandbox/
/usr/share/doc/python-pypy.sandbox/changelog.Debian.gz
/usr/share/doc/python-pypy.sandbox/copyright
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/pypy-sandbox.1.gz
/usr/share/pyshared/
/usr/share/pyshared/pypy/
/usr/share/pyshared/pypy/__init__.py
/usr/share/pyshared/pypy/sandbox/
/usr/share/pyshared/pypy/sandbox/__init__.py
/usr/share/pyshared/pypy/sandbox/rpython/
/usr/share/pyshared/pypy/sandbox/rpython/__init__.py
/usr/share/pyshared/pypy/sandbox/rpython/translator/
/usr/share/pyshared/pypy/sandbox/rpython/translator/__init__.py
/usr/share/pyshared/pypy/sandbox/rpython/translator/sandbox/
/usr/share/pyshared/pypy/sandbox/rpython/translator/sandbox/vfs.py
/usr/share/pyshared/pypy/sandbox/rpython/translator/sandbox/__init__.py
/usr/share/pyshared/pypy/sandbox/rpython/translator/sandbox/sandlib.py
/usr/share/pyshared/pypy/sandbox/rpython/tool/
/usr/share/pyshared/pypy/sandbox/rpython/tool/__init__.py
/usr/share/pyshared/pypy/sandbox/rpython/tool/ansi_mandelbrot.py
/usr/share/pyshared/pypy/sandbox/rpython/tool/ansi_print.py
/usr/share/pyshared/pypy/sandbox/rpython/tool/killsubprocess.py
/usr/share/pyshared/pypy/sandbox/pypy_interact.py
/usr/share/pyshared/pypy/sandbox/_marshal.py
/usr/share/pyshared/pypy/sandbox/marshal.py
/usr/bin/
/usr/bin/pypy-sandbox
/usr/lib/python2.7/dist-packages/pypy/__init__.py
/usr/lib/python2.7/dist-packages/pypy/sandbox/__init__.py
/usr/lib/python2.7/dist-packages/pypy/sandbox/rpython/__init__.py
/usr/lib/python2.7/dist-packages/pypy/sandbox/rpython/translator/__init__.py
/usr/lib/python2.7/dist-packages/pypy/sandbox/rpython/translator/sandbox/vfs.py
/usr/lib/python2.7/dist-packages/pypy/sandbox/rpython/translator/sandbox/__init__.py
/usr/lib/python2.7/dist-packages/pypy/sandbox/rpython/translator/sandbox/sandlib.py
/usr/lib/python2.7/dist-packages/pypy/sandbox/rpython/tool/__init__.py
/usr/lib/python2.7/dist-packages/pypy/sandbox/rpython/tool/ansi_mandelbrot.py
/usr/lib/python2.7/dist-packages/pypy/sandbox/rpython/tool/ansi_print.py
/usr/lib/python2.7/dist-packages/pypy/sandbox/rpython/tool/killsubprocess.py
/usr/lib/python2.7/dist-packages/pypy/sandbox/pypy_interact.py
/usr/lib/python2.7/dist-packages/pypy/sandbox/_marshal.py
/usr/lib/python2.7/dist-packages/pypy/sandbox/marshal.py