/usr/lib/python3/dist-packages/mpmath/functions/ is in python3-mpmath 0.18-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/mpmath/functions/__init__.py
/usr/lib/python3/dist-packages/mpmath/functions/bessel.py
/usr/lib/python3/dist-packages/mpmath/functions/elliptic.py
/usr/lib/python3/dist-packages/mpmath/functions/expintegrals.py
/usr/lib/python3/dist-packages/mpmath/functions/factorials.py
/usr/lib/python3/dist-packages/mpmath/functions/functions.py
/usr/lib/python3/dist-packages/mpmath/functions/hypergeometric.py
/usr/lib/python3/dist-packages/mpmath/functions/orthogonal.py
/usr/lib/python3/dist-packages/mpmath/functions/qfunctions.py
/usr/lib/python3/dist-packages/mpmath/functions/rszeta.py
/usr/lib/python3/dist-packages/mpmath/functions/theta.py
/usr/lib/python3/dist-packages/mpmath/functions/zeta.py
/usr/lib/python3/dist-packages/mpmath/functions/zetazeros.py