/usr/lib/python3/dist-packages/Crypto/SelfTest/Random/ is in python3-crypto 2.6.1-8ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/Crypto/SelfTest/Random/Fortuna/
/usr/lib/python3/dist-packages/Crypto/SelfTest/Random/Fortuna/__init__.py
/usr/lib/python3/dist-packages/Crypto/SelfTest/Random/Fortuna/test_FortunaAccumulator.py
/usr/lib/python3/dist-packages/Crypto/SelfTest/Random/Fortuna/test_FortunaGenerator.py
/usr/lib/python3/dist-packages/Crypto/SelfTest/Random/Fortuna/test_SHAd256.py
/usr/lib/python3/dist-packages/Crypto/SelfTest/Random/OSRNG/
/usr/lib/python3/dist-packages/Crypto/SelfTest/Random/OSRNG/__init__.py
/usr/lib/python3/dist-packages/Crypto/SelfTest/Random/OSRNG/test_fallback.py
/usr/lib/python3/dist-packages/Crypto/SelfTest/Random/OSRNG/test_generic.py
/usr/lib/python3/dist-packages/Crypto/SelfTest/Random/OSRNG/test_nt.py
/usr/lib/python3/dist-packages/Crypto/SelfTest/Random/OSRNG/test_posix.py
/usr/lib/python3/dist-packages/Crypto/SelfTest/Random/OSRNG/test_winrandom.py
/usr/lib/python3/dist-packages/Crypto/SelfTest/Random/__init__.py
/usr/lib/python3/dist-packages/Crypto/SelfTest/Random/test__UserFriendlyRNG.py
/usr/lib/python3/dist-packages/Crypto/SelfTest/Random/test_random.py
/usr/lib/python3/dist-packages/Crypto/SelfTest/Random/test_rpoolcompat.py