if self.collection is not None:
if self.collection.known_past_version(to_record_version):
_logger.debug("%s already processed %s", self.collection_locator, to_record_version)
if self.collection is not None:
if self.collection.known_past_version(to_record_version):
_logger.debug("%s already processed %s", self.collection_locator, to_record_version)