/usr/share/pyshared/ is in python-pycparser 2.07+dfsg-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/pycparser/
/usr/share/pyshared/pycparser/_ast_gen.py
/usr/share/pyshared/pycparser/__init__.py
/usr/share/pyshared/pycparser/yacctab.py
/usr/share/pyshared/pycparser/plyparser.py
/usr/share/pyshared/pycparser/lextab.py
/usr/share/pyshared/pycparser/ast_transforms.py
/usr/share/pyshared/pycparser/_build_tables.py
/usr/share/pyshared/pycparser/c_generator.py
/usr/share/pyshared/pycparser/c_lexer.py
/usr/share/pyshared/pycparser/_c_ast.cfg
/usr/share/pyshared/pycparser/c_ast.py
/usr/share/pyshared/pycparser/c_parser.py