/usr/lib/python2.7/dist-packages/dynamic_reconfigure/ is in python-dynamic-reconfigure 1.5.49-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/__init__.py
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/client.py
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/encoding.py
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/msg/
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/msg/_BoolParameter.py
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/msg/_Config.py
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/msg/_ConfigDescription.py
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/msg/_DoubleParameter.py
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/msg/_Group.py
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/msg/_GroupState.py
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/msg/_IntParameter.py
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/msg/_ParamDescription.py
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/msg/_SensorLevels.py
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/msg/_StrParameter.py
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/msg/__init__.py
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/parameter_generator.py
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/parameter_generator_catkin.py
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/server.py
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/srv/
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/srv/_Reconfigure.py
/usr/lib/python2.7/dist-packages/dynamic_reconfigure/srv/__init__.py