Using Multitracker from opencv_contrib in ROS Kinetic

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Hello everyone I am trying to use the tracker module of opencv. It is inside the opencv_contrib Sources say that it is already inside the ros-kinetic package. But this does not work. While trying to add it in I had just problems. Any recommendations how I can use the tracker modules of opencv in ros-kinetic?

Import cv2 #tracker = cv2.MultiTracker("MIL") tracker2 = cv2.Tracker_create('MIL')

error: tracker2 = cv2.Tracker_create('MIL') AttributeError: 'module' object has no attribute 'Tracker_create

thanks stritchi