Object merge creator

import hou
def main():
    if not hou.selectedNodes():
        print ("No selected node(s)")
        return
    for curnode in hou.selectedNodes():
        if  curnode.type().category().name()=='Sop':
            sceneRoot = hou.node('/obj/')
            geo = sceneRoot.createNode('geo','merge_'+curnode.name())
            merge=geo.createNode('object_merge')
            merge.parm('objpath1').set(curnode.path())
            geo.moveToGoodPosition()
main()