/usr/lib/python2.7/dist-packages/sympy/parsing/ is in python-sympy 1.0-3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/sympy/parsing/__init__.py
/usr/lib/python2.7/dist-packages/sympy/parsing/ast_parser.py
/usr/lib/python2.7/dist-packages/sympy/parsing/mathematica.py
/usr/lib/python2.7/dist-packages/sympy/parsing/maxima.py
/usr/lib/python2.7/dist-packages/sympy/parsing/sympy_parser.py
/usr/lib/python2.7/dist-packages/sympy/parsing/sympy_tokenize.py
/usr/lib/python2.7/dist-packages/sympy/parsing/tests/
/usr/lib/python2.7/dist-packages/sympy/parsing/tests/__init__.py
/usr/lib/python2.7/dist-packages/sympy/parsing/tests/test_implicit_multiplication_application.py
/usr/lib/python2.7/dist-packages/sympy/parsing/tests/test_mathematica.py
/usr/lib/python2.7/dist-packages/sympy/parsing/tests/test_maxima.py
/usr/lib/python2.7/dist-packages/sympy/parsing/tests/test_sympy_parser.py