/usr/share/pyshared/ is in python-pywcs 1.11-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/pywcs/
/usr/share/pyshared/pywcs-1.11_4.8.2.egg-info
/usr/share/pyshared/pywcs/__init__.py
/usr/share/pyshared/pywcs/_docutil.py
/usr/share/pyshared/pywcs/include/
/usr/share/pyshared/pywcs/include/distortion.h
/usr/share/pyshared/pywcs/include/distortion_wrap.h
/usr/share/pyshared/pywcs/include/docstrings.h
/usr/share/pyshared/pywcs/include/isnan.h
/usr/share/pyshared/pywcs/include/pipeline.h
/usr/share/pyshared/pywcs/include/pyutil.h
/usr/share/pyshared/pywcs/include/pywcs.h
/usr/share/pyshared/pywcs/include/pywcs_api.h
/usr/share/pyshared/pywcs/include/sip.h
/usr/share/pyshared/pywcs/include/sip_wrap.h
/usr/share/pyshared/pywcs/include/str_list_proxy.h
/usr/share/pyshared/pywcs/include/util.h
/usr/share/pyshared/pywcs/include/wcsconfig.h
/usr/share/pyshared/pywcs/include/wcslib_tabprm_wrap.h
/usr/share/pyshared/pywcs/include/wcslib_units_wrap.h
/usr/share/pyshared/pywcs/include/wcslib_wrap.h
/usr/share/pyshared/pywcs/include/wcslib_wtbarr_wrap.h
/usr/share/pyshared/pywcs/pywcs.py