Fix get_serializer_context() in PlaceRetrieveViewSet
Fix get_serializer_context() in PlaceRetrieveViewSet

tuomas777/linkedevents,aapris/linkedevents,aapris/linkedevents,tuomas777/linkedevents,aapris/linkedevents,tuomas777/linkedevents,City-of-Helsinki/linkedevents,City-of-Helsinki/linkedevents,City-of-Helsinki/linkedevents