It appears AquireCoordinates() was added as a method for Revit 2018 and above.
import clr
clr.AddReference('RevitAPI')
import Autodesk
from Autodesk.Revit.DB import *
import System
clr.AddReference('RevitNodes')
import Revit
clr.ImportExtensions(Revit.Elements)
clr.AddReference('RevitServices')
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager
doc = DocumentManager.Instance.CurrentDBDocument
revitLink = UnwrapElement(IN[0])
TransactionManager.Instance.EnsureInTransaction(doc)
doc.AcquireCoordinates(revitLink.Id)
TransactionManager.Instance.TransactionTaskDone()
OUT = revitLink
I haven’t tested this but give this a try; the input would be the RevitLinkInstance you want to acquire the coordinates of. Let me know if this works