Can't import a table from a specific wiki page #28

Great work with this python package! (thumbs up)
I stumble upon a small problem,
how come after passing "List of most commonly challenged books in the United States" into the function import_tables(), it fails?
The wikipage exists and there is a table in it, as you can see below:

(https://en.wikipedia.org/wiki/List_of_most_commonly_challenged_books_in_the_United_States)
and from here too:
https://en.wikipedia.org/wiki/List_of_Women%27s_Prize_for_Fiction_winners

Can someone please take a look, thank you.