This line:

needs to be handle cases where '@type' is not in 'linked_data'

We get such errors when extracting:
https://www.cbssports.com/mlb/news/dodgers-pride-night-timeline-club-re-invites-sisters-of-perpetual-indulgence-to-lgbtq-celebration/
https://www.whitehouse.gov/briefing-room/statements-releases/2021/04/22/fact-sheet-president-biden-sets-2030-greenhouse-gas-pollution-reduction-target-aimed-at-creating-good-paying-union-jobs-and-securing-u-s-leadership-on-clean-energy-technologies

And others