/usr/lib/python3/dist-packages/pexpect/ is in python3-pexpect 4.0.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/pexpect/ANSI.py
/usr/lib/python3/dist-packages/pexpect/FSM.py
/usr/lib/python3/dist-packages/pexpect/__init__.py
/usr/lib/python3/dist-packages/pexpect/async.py
/usr/lib/python3/dist-packages/pexpect/exceptions.py
/usr/lib/python3/dist-packages/pexpect/expect.py
/usr/lib/python3/dist-packages/pexpect/fdpexpect.py
/usr/lib/python3/dist-packages/pexpect/popen_spawn.py
/usr/lib/python3/dist-packages/pexpect/pty_spawn.py
/usr/lib/python3/dist-packages/pexpect/pxssh.py
/usr/lib/python3/dist-packages/pexpect/replwrap.py
/usr/lib/python3/dist-packages/pexpect/run.py
/usr/lib/python3/dist-packages/pexpect/screen.py
/usr/lib/python3/dist-packages/pexpect/spawnbase.py
/usr/lib/python3/dist-packages/pexpect/utils.py