Update files from the datasets library (from 1.6.0)

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

README.md

@@ -23,7 +23,20 @@ multilinguality:
 - multilingual
 - translation
 size_categories:
-- n<1K
+  alt-en:
+  - 10K<n<100K
+  alt-jp:
+  - 10K<n<100K
+  alt-km:
+  - 10K<n<100K
+  alt-my:
+  - 10K<n<100K
+  alt-my-transliteration:
+  - 10K<n<100K
+  alt-my-west-transliteration:
+  - 100K<n<1M
+  alt-parallel:
+  - 10K<n<100K
 source_datasets:
 - original
 task_categories:

alt.py

@@ -2,7 +2,6 @@
 # -*- coding: utf-8 -*-
 """Asian Language Treebank (ALT) Project"""
 
-from __future__ import absolute_import, division, print_function
 
 import os