/usr/share/pyshared/sympy/polys/domains/ is in python-sympy 0.7.1.rc1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/sympy/polys/domains/__init__.py
/usr/share/pyshared/sympy/polys/domains/algebraicfield.py
/usr/share/pyshared/sympy/polys/domains/characteristiczero.py
/usr/share/pyshared/sympy/polys/domains/compositedomain.py
/usr/share/pyshared/sympy/polys/domains/domain.py
/usr/share/pyshared/sympy/polys/domains/expressiondomain.py
/usr/share/pyshared/sympy/polys/domains/field.py
/usr/share/pyshared/sympy/polys/domains/finitefield.py
/usr/share/pyshared/sympy/polys/domains/fractionfield.py
/usr/share/pyshared/sympy/polys/domains/gmpyfinitefield.py
/usr/share/pyshared/sympy/polys/domains/gmpyintegerring.py
/usr/share/pyshared/sympy/polys/domains/gmpyrationalfield.py
/usr/share/pyshared/sympy/polys/domains/groundtypes.py
/usr/share/pyshared/sympy/polys/domains/integerring.py
/usr/share/pyshared/sympy/polys/domains/modularinteger.py
/usr/share/pyshared/sympy/polys/domains/mpmathcomplexdomain.py
/usr/share/pyshared/sympy/polys/domains/mpmathrealdomain.py
/usr/share/pyshared/sympy/polys/domains/polynomialring.py
/usr/share/pyshared/sympy/polys/domains/pythoncomplexdomain.py
/usr/share/pyshared/sympy/polys/domains/pythonfinitefield.py
/usr/share/pyshared/sympy/polys/domains/pythonintegerring.py
/usr/share/pyshared/sympy/polys/domains/pythonrationalfield.py
/usr/share/pyshared/sympy/polys/domains/pythonrationaltype.py
/usr/share/pyshared/sympy/polys/domains/pythonrealdomain.py
/usr/share/pyshared/sympy/polys/domains/rationalfield.py
/usr/share/pyshared/sympy/polys/domains/realdomain.py
/usr/share/pyshared/sympy/polys/domains/ring.py
/usr/share/pyshared/sympy/polys/domains/simpledomain.py
/usr/share/pyshared/sympy/polys/domains/sympyfinitefield.py
/usr/share/pyshared/sympy/polys/domains/sympyintegerring.py
/usr/share/pyshared/sympy/polys/domains/sympyrationalfield.py
/usr/share/pyshared/sympy/polys/domains/sympyrealdomain.py