Dup move animaiton

#Dup move animaiton
from pymel.core import *
import random as r
sl = selected()
dupGrp = ls("DupGrp")[0]
curentFrame = currentTime(q=1)
for s in sl:

    pap = s.listRelatives(p=1)
    parent(s,w=1)
    d = duplicate(dupGrp, un=1, rr=1, n = s+"_dup")[0]
    parent(d,s)
    if pap:
        setAttr(d.scale, .5,.5,.5)
    else:
        setAttr(d.scale, 1,1,1)
    parent(d,w=1)
    mO = 0

    pc = parentConstraint(s,d, mo=0)
    dC = d.listRelatives(c=1)
    for cc in dC:
        animCrv = cc.listConnections(t="animCurve")
        if animCrv:
            k = keyframe(animCrv, iub=1, r=1, o="over", tc = curentFrame)

    if pap:
        parent(s,pap)
    delete(pc)