fix dtypes

blaser_2_0_qe.py

@@ -57,8 +57,6 @@ Examples:
     {'accuracy': 1.0}
 """
 
-# TODO: Define external resources urls if needed
-BAD_WORDS_URL = "http://url/to/external/resource/bad_words.txt"
 
 
 @evaluate.utils.file_utils.add_start_docstrings(_DESCRIPTION, _KWARGS_DESCRIPTION)
@@ -75,9 +73,10 @@ class BLASER20QE(evaluate.Metric):
             inputs_description=_KWARGS_DESCRIPTION,
             # This defines the format of each prediction and reference
             features=datasets.Features({
-                'predictions': datasets.Value('str'),
-                'references': datasets.Value('str'),
+                'predictions': datasets.Value('string'),
+                'references': 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
             homepage="http://module.homepage",
             # Additional links to the codebase or references