/usr/lib/python2.7/dist-packages/sympy/concrete/ is in python-sympy 1.1.1-5.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/sympy/concrete/__init__.py
/usr/lib/python2.7/dist-packages/sympy/concrete/delta.py
/usr/lib/python2.7/dist-packages/sympy/concrete/expr_with_intlimits.py
/usr/lib/python2.7/dist-packages/sympy/concrete/expr_with_limits.py
/usr/lib/python2.7/dist-packages/sympy/concrete/gosper.py
/usr/lib/python2.7/dist-packages/sympy/concrete/guess.py
/usr/lib/python2.7/dist-packages/sympy/concrete/products.py
/usr/lib/python2.7/dist-packages/sympy/concrete/summations.py
/usr/lib/python2.7/dist-packages/sympy/concrete/tests/
/usr/lib/python2.7/dist-packages/sympy/concrete/tests/__init__.py
/usr/lib/python2.7/dist-packages/sympy/concrete/tests/test_delta.py
/usr/lib/python2.7/dist-packages/sympy/concrete/tests/test_gosper.py
/usr/lib/python2.7/dist-packages/sympy/concrete/tests/test_guess.py
/usr/lib/python2.7/dist-packages/sympy/concrete/tests/test_products.py
/usr/lib/python2.7/dist-packages/sympy/concrete/tests/test_sums_products.py