Create locator at pivot point (code error)

import maya.cmds as mc

def createLocAtObjPivot(worldSpace=True):

	# get the first object that's selected
	try:
currSel = mc.ls(selection=True, long=True)[0]
	except IndexError:
raise IndexError('Nothing selected, unsure what to run on. Please select something')

	# pull the pivot you are interested in.
	# Maya objects have two pivots, one for rotation, one for scale
	# They are not guaranteed to be in the same place
	rPiv = mc.xform(currSel, q=True, rp=True, worldSpace=worldSpace) # query rotation pivot
	sPiv = mc.xform(currSel, q=True, sp=True, worldSpace=worldSpace) # query scale pivot
	print('object:{}: pivots: rPiv:{}, sPiv:{}'.format(currSel,rPiv,sPiv))

	# create the locator and move it into position
	loc = mc.spaceLocator()
	mc.xform(t=rPiv) # apply the translate of one of the queried pivots

	# in case you want to manip the locator further
	return loc

createLocAtObjPivot(worldSpace=True)
# Error: expected an indented block #