/usr/lib/python3/dist-packages/pydl/pydlspec2d/ is in python3-pydl 0.6.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/pydl/pydlspec2d/__init__.py
/usr/lib/python3/dist-packages/pydl/pydlspec2d/spec1d.py
/usr/lib/python3/dist-packages/pydl/pydlspec2d/spec2d.py
/usr/lib/python3/dist-packages/pydl/pydlspec2d/tests/
/usr/lib/python3/dist-packages/pydl/pydlspec2d/tests/__init__.py
/usr/lib/python3/dist-packages/pydl/pydlspec2d/tests/t/
/usr/lib/python3/dist-packages/pydl/pydlspec2d/tests/t/filter_thru_idl_data.txt
/usr/lib/python3/dist-packages/pydl/pydlspec2d/tests/t/spPlate-4055-55359-0020.fits
/usr/lib/python3/dist-packages/pydl/pydlspec2d/tests/t/test_template_metadata.par
/usr/lib/python3/dist-packages/pydl/pydlspec2d/tests/test_spec1d.py
/usr/lib/python3/dist-packages/pydl/pydlspec2d/tests/test_spec2d.py