def setFrameRange( self, startFrame, endFrame ) :

		newRange = ( startFrame, endFrame )
		if newRange not in self.__frameRange :
			return

		self.__frameRange = newRange

		self.frameRangeChangedSignal()( self )
dataset/ETHPy150Open ImageEngine/gaffer/python/GafferUI/Playback.py/Playback.setFrameRange/operator `==` -> `not in`