def getOtherInstances(self):
        return self.getInstances(includeSelf=False)
same as `DagNode.getInstances` with includeSelf=False.
dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/maya/site-packages/pymel-1.0.3/pymel/core/nodetypes.py/DagNode.getOtherInstances