note about Attribute.elements returning empty list for None
note about Attribute.elements returning empty list for None

AtonLerin/pymel,juggernate/pymel,shrtcww/pymel,juggernate/pymel,david-lassonde-adsk/pymel,shrtcww/pymel,AtonLerin/pymel,assumptionsoup/pymel,leonsooi/pymel,david-lassonde-adsk/pymel,assumptionsoup/pymel,leonsooi/pymel