Update files from the datasets library (from 1.6.0)

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

README.md

@@ -10,6 +10,8 @@ licenses:
 multilinguality:
 - monolingual
 size_categories:
+  combined-csv:
+  - 100K<n<1M
   combined-json:
   - 10K<n<100K
   split:

newsqa.py

@@ -14,7 +14,6 @@
 # limitations under the License.
 """This code is used to read and load NewsQA dataset."""
 
-from __future__ import absolute_import, division, print_function
 
 import csv
 import json