cannot import moveit_commander
I am using ros kinetic on ubuntu 16.04 and when i try to import moveit_commander it gives this error:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/opt/ros/kinetic/lib/python2.7/dist-packages/moveit_commander/__init__.py", line 3, in <module>
from planning_scene_interface import *
File "/opt/ros/kinetic/lib/python2.7/dist-packages/moveit_commander/planning_scene_interface.py", line 48, in <module>
import pyassimp
File "/usr/lib/python2.7/dist-packages/pyassimp/__init__.py", line 1, in <module>
from .core import *
File "/usr/lib/python2.7/dist-packages/pyassimp/core.py", line 23, in <module>
from . import structs
ImportError: cannot import name structs