Import error in ros manipulation course

I keep getting an import error in - ros manipulation in 5 days:
ImportErrorTraceback (most recent call last)
in ()
4 import copy
5 import rospy
----> 6 import moveit_commander
7 import moveit_msgs.msg
8 import geometry_msgs.msg

ImportError: No module named moveit_commander

Hello Paz. Is this error still happening to you?