/usr/lib/python2.7/ is in python-nav-msgs 1.12.5-3.
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/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/nav_msgs/
/usr/lib/python2.7/dist-packages/nav_msgs/__init__.py
/usr/lib/python2.7/dist-packages/nav_msgs/msg/
/usr/lib/python2.7/dist-packages/nav_msgs/msg/_GetMapAction.py
/usr/lib/python2.7/dist-packages/nav_msgs/msg/_GetMapActionFeedback.py
/usr/lib/python2.7/dist-packages/nav_msgs/msg/_GetMapActionGoal.py
/usr/lib/python2.7/dist-packages/nav_msgs/msg/_GetMapActionResult.py
/usr/lib/python2.7/dist-packages/nav_msgs/msg/_GetMapFeedback.py
/usr/lib/python2.7/dist-packages/nav_msgs/msg/_GetMapGoal.py
/usr/lib/python2.7/dist-packages/nav_msgs/msg/_GetMapResult.py
/usr/lib/python2.7/dist-packages/nav_msgs/msg/_GridCells.py
/usr/lib/python2.7/dist-packages/nav_msgs/msg/_MapMetaData.py
/usr/lib/python2.7/dist-packages/nav_msgs/msg/_OccupancyGrid.py
/usr/lib/python2.7/dist-packages/nav_msgs/msg/_Odometry.py
/usr/lib/python2.7/dist-packages/nav_msgs/msg/_Path.py
/usr/lib/python2.7/dist-packages/nav_msgs/msg/__init__.py
/usr/lib/python2.7/dist-packages/nav_msgs/srv/
/usr/lib/python2.7/dist-packages/nav_msgs/srv/_GetMap.py
/usr/lib/python2.7/dist-packages/nav_msgs/srv/_GetPlan.py
/usr/lib/python2.7/dist-packages/nav_msgs/srv/_SetMap.py
/usr/lib/python2.7/dist-packages/nav_msgs/srv/__init__.py