Update files from the datasets library (from 1.6.0)

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

climate_fever.py

@@ -14,7 +14,6 @@
 # limitations under the License.
 """A dataset adopting the FEVER methodology that consists of 1,535 real-world claims regarding climate-change collected on the internet."""
 
-from __future__ import absolute_import, division, print_function
 
 import json
 import os