Avoid following exception, especially an issue for large datasets:
File "/opt/ros/kinetic/lib/python2.7/dist-packages/rqt_bag_plugins/plot_view.py", line 503, in handleChanged
self.parent().parent().parent().remove_plot(path)
File "/opt/ros/kinetic/lib/python2.7/dist-packages/rqt_bag_plugins/plot_view.py", line 197, in remove_plot
self.paths_on.remove(path)
Avoid following exception, especially an issue for large datasets: