/usr/lib/python2.7/dist-packages/ptrace/syscall/ is in python-ptrace 0.7-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/ptrace/syscall/__init__.py
/usr/lib/python2.7/dist-packages/ptrace/syscall/freebsd_constants.py
/usr/lib/python2.7/dist-packages/ptrace/syscall/freebsd_syscall.py
/usr/lib/python2.7/dist-packages/ptrace/syscall/linux_constants.py
/usr/lib/python2.7/dist-packages/ptrace/syscall/linux_struct.py
/usr/lib/python2.7/dist-packages/ptrace/syscall/linux_syscall32.py
/usr/lib/python2.7/dist-packages/ptrace/syscall/linux_syscall64.py
/usr/lib/python2.7/dist-packages/ptrace/syscall/names.py
/usr/lib/python2.7/dist-packages/ptrace/syscall/posix_arg.py
/usr/lib/python2.7/dist-packages/ptrace/syscall/posix_constants.py
/usr/lib/python2.7/dist-packages/ptrace/syscall/prototypes.py
/usr/lib/python2.7/dist-packages/ptrace/syscall/ptrace_syscall.py
/usr/lib/python2.7/dist-packages/ptrace/syscall/socketcall.py
/usr/lib/python2.7/dist-packages/ptrace/syscall/socketcall_constants.py
/usr/lib/python2.7/dist-packages/ptrace/syscall/socketcall_struct.py
/usr/lib/python2.7/dist-packages/ptrace/syscall/syscall_argument.py