def get_skin_cluster_influence_objects(skincluster):
    """
    Wrapper around pymel that wrap OpenMaya.MFnSkinCluster.influenceObjects() which crash when 
    a skinCluster have zero influences.
    :param skincluster: A pymel.nodetypes.SkinCluster instance. 
    :return: A list in pymel.PyNode instances.
    """
    try:
        return skincluster.influenceObjects()
    except RuntimeError:
        return []