/usr/lib/python2.7/dist-packages/xcb/ is in python-xpyb 1.3.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/xcb/__init__.py
/usr/lib/python2.7/dist-packages/xcb/bigreq.py
/usr/lib/python2.7/dist-packages/xcb/composite.py
/usr/lib/python2.7/dist-packages/xcb/damage.py
/usr/lib/python2.7/dist-packages/xcb/dpms.py
/usr/lib/python2.7/dist-packages/xcb/glx.py
/usr/lib/python2.7/dist-packages/xcb/randr.py
/usr/lib/python2.7/dist-packages/xcb/record.py
/usr/lib/python2.7/dist-packages/xcb/render.py
/usr/lib/python2.7/dist-packages/xcb/res.py
/usr/lib/python2.7/dist-packages/xcb/screensaver.py
/usr/lib/python2.7/dist-packages/xcb/shape.py
/usr/lib/python2.7/dist-packages/xcb/shm.py
/usr/lib/python2.7/dist-packages/xcb/sync.py
/usr/lib/python2.7/dist-packages/xcb/xc_misc.py
/usr/lib/python2.7/dist-packages/xcb/xcb.so
/usr/lib/python2.7/dist-packages/xcb/xcb.so.0
/usr/lib/python2.7/dist-packages/xcb/xevie.py
/usr/lib/python2.7/dist-packages/xcb/xf86dri.py
/usr/lib/python2.7/dist-packages/xcb/xfixes.py
/usr/lib/python2.7/dist-packages/xcb/xinerama.py
/usr/lib/python2.7/dist-packages/xcb/xprint.py
/usr/lib/python2.7/dist-packages/xcb/xproto.py
/usr/lib/python2.7/dist-packages/xcb/xtest.py
/usr/lib/python2.7/dist-packages/xcb/xv.py
/usr/lib/python2.7/dist-packages/xcb/xvmc.py