/usr/lib/python2.7/dist-packages/sympy/solvers/ is in python-sympy 1.0-3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/sympy/solvers/__init__.py
/usr/lib/python2.7/dist-packages/sympy/solvers/benchmarks/
/usr/lib/python2.7/dist-packages/sympy/solvers/benchmarks/__init__.py
/usr/lib/python2.7/dist-packages/sympy/solvers/benchmarks/bench_solvers.py
/usr/lib/python2.7/dist-packages/sympy/solvers/bivariate.py
/usr/lib/python2.7/dist-packages/sympy/solvers/decompogen.py
/usr/lib/python2.7/dist-packages/sympy/solvers/deutils.py
/usr/lib/python2.7/dist-packages/sympy/solvers/diophantine.py
/usr/lib/python2.7/dist-packages/sympy/solvers/inequalities.py
/usr/lib/python2.7/dist-packages/sympy/solvers/ode.py
/usr/lib/python2.7/dist-packages/sympy/solvers/pde.py
/usr/lib/python2.7/dist-packages/sympy/solvers/polysys.py
/usr/lib/python2.7/dist-packages/sympy/solvers/recurr.py
/usr/lib/python2.7/dist-packages/sympy/solvers/solvers.py
/usr/lib/python2.7/dist-packages/sympy/solvers/solveset.py
/usr/lib/python2.7/dist-packages/sympy/solvers/tests/
/usr/lib/python2.7/dist-packages/sympy/solvers/tests/__init__.py
/usr/lib/python2.7/dist-packages/sympy/solvers/tests/test_constantsimp.py
/usr/lib/python2.7/dist-packages/sympy/solvers/tests/test_decompogen.py
/usr/lib/python2.7/dist-packages/sympy/solvers/tests/test_diophantine.py
/usr/lib/python2.7/dist-packages/sympy/solvers/tests/test_inequalities.py
/usr/lib/python2.7/dist-packages/sympy/solvers/tests/test_numeric.py
/usr/lib/python2.7/dist-packages/sympy/solvers/tests/test_ode.py
/usr/lib/python2.7/dist-packages/sympy/solvers/tests/test_pde.py
/usr/lib/python2.7/dist-packages/sympy/solvers/tests/test_polysys.py
/usr/lib/python2.7/dist-packages/sympy/solvers/tests/test_recurr.py
/usr/lib/python2.7/dist-packages/sympy/solvers/tests/test_solvers.py
/usr/lib/python2.7/dist-packages/sympy/solvers/tests/test_solveset.py