rqt crash when subscribing to any topic

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Fresh install of ubuntu gnome 16.04

1. apt-get install ros-kinetic-desktop-full ros-kinetic-ros-control ros-kinetic-ros-controllers ros-kinetic-moveit ros-kinetic-moveit-ros ros-kinetic-gazebo-ros

2. run my robot_description.launch

3. I run: rqt

4. open plugin topic monitor

5. check any topic

6. i get this:

   [ERROR] [1488471809.228233]: bad callback: <bound method="" topicinfo.message_callback="" of="" <rqt_topic.topic_info.topicinfo="" object="" at="" 0x7f2ae4bc63d0="">> Traceback (most recent call last): File "/opt/ros/kinetic/lib/python2.7/dist-packages/rospy/topics.py", line 720, in _invoke_callback cb(msg) File "/opt/ros/kinetic/lib/python2.7/dist-packages/rqt_topic/topic_info.py", line 100, in message_callback self.sizes.append(buff.len) AttributeError: 'cStringIO.StringO' object has no attribute 'len'

   [ERROR] [1488471809.235319]: bad callback: <bound method="" topicinfo.message_callback="" of="" <rqt_topic.topic_info.topicinfo="" object="" at="" 0x7f2ae4bc63d0="">> Traceback (most recent call last): File "/opt/ros/kinetic/lib/python2.7/dist-packages/rospy/topics.py", line 720, in _invoke_callback cb(msg) File "/opt/ros/kinetic/lib/python2.7/dist-packages/rqt_topic/topic_info.py", line 100, in message_callback self.sizes.append(buff.len) AttributeError: 'cStringIO.StringO' object has no attribute 'len'

   [ERROR] [1488471809.242770]: bad callback: <bound method="" topicinfo.message_callback="" of="" <rqt_topic.topic_info.topicinfo="" object="" at="" 0x7f2ae4bc63d0="">> Traceback (most recent call last): File "/opt/ros/kinetic/lib/python2.7/dist-packages/rospy/topics.py", line 720, in _invoke_callback cb(msg) File "/opt/ros/kinetic/lib/python2.7/dist-packages/rqt_topic/topic_info.py", line 100, in message_callback self.sizes.append(buff.len) AttributeError: 'cStringIO.StringO' object has no attribute 'len'

   [ERROR] [1488471809.282522]: bad callback: <bound method="" topicinfo.message_callback="" of="" <rqt_topic.topic_info.topicinfo="" object="" at="" 0x7f2ae4bc63d0="">> Traceback (most recent call last): File "/opt/ros/kinetic/lib/python2.7/dist-packages/rospy/topics.py", line 720, in _invoke_callback cb(msg) File "/opt/ros/kinetic/lib/python2.7/dist-packages/rqt_topic/topic_info.py", line 100, in message_callback self.sizes.append(buff.len) AttributeError: 'cStringIO.StringO' object has no attribute 'len'

   [ERROR] [1488471809.283385]: bad callback: <bound method="" topicinfo.message_callback="" of="" <rqt_topic.topic_info.topicinfo="" object="" at="" 0x7f2ae4bc63d0="">> Traceback (most recent call last): File "/opt/ros/kinetic/lib/python2.7/dist-packages/rospy/topics.py", line 720, in _invoke_callback cb(msg) File "/opt/ros/kinetic/lib/python2.7/dist-packages/rqt_topic/topic_info.py", line 100, in message_callback self.sizes.append(buff.len) AttributeError: 'cStringIO.StringO' object has no attribute 'len'

   [ERROR] [1488471809.328485]: bad callback: <bound method="" topicinfo.message_callback="" of="" <rqt_topic.topic_info.topicinfo="" object="" at="" 0x7f2ae4bc63d0="">> Traceback (most recent call last): File "/opt/ros/kinetic/lib/python2.7/dist-packages/rospy/topics.py", line 720, in _invoke_callback cb(msg) File "/opt/ros/kinetic/lib/python2.7/dist-packages/rqt_topic/topic_info.py", line 100, in message_callback self.sizes.append(buff.len) AttributeError: 'cStringIO.StringO' object has no attribute 'len'

   [ERROR] [1488471809.336671]: bad callback: <bound method="" topicinfo.message_callback="" of="" <rqt_topic.topic_info.topicinfo="" object="" at="" 0x7f2ae4bc63d0="">> Traceback (most recent call last): File "/opt/ros/kinetic/lib/python2.7/dist-packages/rospy/topics.py", line 720, in _invoke_callback cb(msg) File "/opt/ros/kinetic/lib/python2.7/dist-packages/rqt_topic/topic_info.py", line 100, in message_callback self.sizes.append(buff.len) AttributeError: 'cStringIO.StringO' object has no attribute 'len'

   [ERROR] [1488471809.342535]: bad callback: <bound ...