Region onChange/Observe fails when using class ImageFinder

[HammySession]

When setting doing the following

 import sikuli as sk
 def changed(event): print event.region
 sk.Settings.useImageFinder = True
 region_to_observe = sk.Screen()
 region_to_observe.onChange(changed)
 region_to_observe.observe(5)

no changes are detected even with moving items around on the screen, but if you change

sk.Settings.useImageFinder = False
region_to_observe.observe(5)

the changes are detected.

The root cause appears to hinge on ImageFinder. I know this is an experimental feature, but wanted to inform you of this issue.

[RaiMan]

Thanks. ... but the observe feature is not implemented in class ImageFinder (and will not be in 1.1.x).

This was some prework for version 2.