Hi! When i try to start the turtlebot dashboard I get the following error message:

:~$ rosrun turtlebot_dashboard turtlebot_dashboard 

Traceback (most recent call last):
  File "/opt/ros/diamondback/stacks/turtlebot_viz/turtlebot_dashboard/scripts/turtlebot_dashboard", line 49, in <module>
    import wx
  File "/usr/lib/python2.6/dist-packages/wx-2.8-gtk2-unicode/wx/__init__.py", line 45, in <module>
    from wx._core import *
  File "/usr/lib/python2.6/dist-packages/wx-2.8-gtk2-unicode/wx/_core.py", line 14774, in <module>
    from _misc import *
  File "/usr/lib/python2.6/dist-packages/wx-2.8-gtk2-unicode/wx/_misc.py", line 4, in <module>
    import _misc_
ImportError: /usr/lib/python2.6/dist-packages/wx-2.8-gtk2-unicode/wx/_misc_.so: symbol _ZN7wxSound6CreateEiPKh, version WXU_2.8 not defined in file libwx_gtk2u_adv-2.8.so.0 with link time reference

Does anyone have an idea what's wrong and how to fix this? I tried

$ sudo apt-get install ros-diamondback-turtlebot-viz

to reinstall the dashboard, but this doesn't help..