Update files from the datasets library (from 1.6.0)

Release notes: https://github.com/huggingface/datasets/releases/tag/1.6.0

wiki_bio.py

@@ -17,7 +17,6 @@ This dataset gathers 728,321 biographies from Wikipedia. It aims at evaluating t
 algorithms. For each article, we provide the first paragraph and the infobox.
 """
 
-from __future__ import absolute_import, division, print_function
 
 import os