/usr/lib/python2.7/dist-packages/sagenb/misc/ is in python-sagenb 1.0.1+ds1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/sagenb/misc/__init__.py
/usr/lib/python2.7/dist-packages/sagenb/misc/comments2rst.py
/usr/lib/python2.7/dist-packages/sagenb/misc/format.py
/usr/lib/python2.7/dist-packages/sagenb/misc/introspect.py
/usr/lib/python2.7/dist-packages/sagenb/misc/misc.py
/usr/lib/python2.7/dist-packages/sagenb/misc/remote_file.py
/usr/lib/python2.7/dist-packages/sagenb/misc/results2rst.py
/usr/lib/python2.7/dist-packages/sagenb/misc/sageinspect.py
/usr/lib/python2.7/dist-packages/sagenb/misc/sphinxify.py
/usr/lib/python2.7/dist-packages/sagenb/misc/support.py
/usr/lib/python2.7/dist-packages/sagenb/misc/worksheet2rst.py