Update files from the datasets library (from 1.4.0)

Release notes: https://github.com/huggingface/datasets/releases/tag/1.4.0

medal.py

@@ -19,12 +19,11 @@
 from __future__ import absolute_import, division, print_function
 
 import csv
-import logging
 
 import datasets
 
 
-logger = logging.getLogger(__name__)
+logger = datasets.logging.get_logger(__name__)
 
 
 _CITATION = """\