QUIZ topic publisher and subscriber

I execute “rosmsg show sensor_msgs/LaserScan” and the terminal shows:

Traceback (most recent call last):
File “/opt/ros/kinetic/bin/rosmsg”, line 35, in
rosmsg.rosmsgmain()
File “/opt/ros/kinetic/lib/python2.7/dist-packages/rosmsg/init.py”, line 754, in rosmsgmain
sys.exit(rosmsg_cmd_show(ext, full, command))
File “/opt/ros/kinetic/lib/python2.7/dist-packages/rosmsg/init.py”, line 619, in rosmsg_cmd_show
rosmsg_debug(rospack, mode, arg, options.raw)
File “/opt/ros/kinetic/lib/python2.7/dist-packages/rosmsg/init.py”, line 450, in rosmsg_debug
print(get_msg_text(type_, raw=raw, rospack=rospack))
File “/opt/ros/kinetic/lib/python2.7/dist-packages/rosmsg/init.py”, line 426, in get_msg_text
for p in rospack.list():
File “/usr/lib/python2.7/dist-packages/rospkg/rospack.py”, line 192, in list
self._update_location_cache()
File “/usr/lib/python2.7/dist-packages/rospkg/rospack.py”, line 184, in _update_location_cache
list_by_path(self._manifest_name, path, cache)
File “/usr/lib/python2.7/dist-packages/rospkg/rospack.py”, line 67, in list_by_path
root = ElementTree(None, os.path.join(d, PACKAGE_FILE))
File “/usr/lib/python2.7/xml/etree/ElementTree.py”, line 611, in init
self.parse(file)
File “”, line 38, in parse
cElementTree.ParseError: mismatched tag: line 67, column 2

@bayodesegun can you take a look at this.