I am trying to resurrect some old object tracking code written for opencv2 and python 2. Currently I am using opencv 3 (directly from the git repository) and python 3. Due to the method name changes (WHY is everything renamed? There must be a reason but everything is broken) I am going through everything and replacing the methods with the new ones. I can't seem to find a replacement for updateMotionHistory. Has it been removed completely? I