/usr/lib/python2.7/dist-packages/photutils/segmentation/ is in python-photutils 0.4-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/photutils/segmentation/__init__.py
/usr/lib/python2.7/dist-packages/photutils/segmentation/core.py
/usr/lib/python2.7/dist-packages/photutils/segmentation/deblend.py
/usr/lib/python2.7/dist-packages/photutils/segmentation/detect.py
/usr/lib/python2.7/dist-packages/photutils/segmentation/properties.py
/usr/lib/python2.7/dist-packages/photutils/segmentation/tests/
/usr/lib/python2.7/dist-packages/photutils/segmentation/tests/__init__.py
/usr/lib/python2.7/dist-packages/photutils/segmentation/tests/test_core.py
/usr/lib/python2.7/dist-packages/photutils/segmentation/tests/test_deblend.py
/usr/lib/python2.7/dist-packages/photutils/segmentation/tests/test_detect.py
/usr/lib/python2.7/dist-packages/photutils/segmentation/tests/test_properties.py