fix variable names

blaser_2_0_qe.py

@@ -73,8 +73,8 @@ class BLASER20QE(evaluate.Metric):
             inputs_description=_KWARGS_DESCRIPTION,
             # This defines the format of each prediction and reference
             features=datasets.Features({
-                'predictions': datasets.Value('string'),
-                'references': datasets.Value('string'),
+                'sources': datasets.Value('string'),
+                'translations': datasets.Value('string'),
             }),
             # See https://arrow.apache.org/docs/python/api/datatypes.html#factory-functions for the data types
             # Homepage of the module for documentation