Update oppo_refuse_match.py

oppo_refuse_match.py

@@ -31,7 +31,7 @@ Args:
     references: not use
     
 Returns:
-    exact_match: Dictionary containing oppo_refuse_match rate. Possible values are 0 or 1
+    oppo_refuse_match: Dictionary containing oppo_refuse_match rate. Possible values are 0 or 1
 Examples:
     
 """
@@ -49,7 +49,7 @@ class OppoRefuseMatch(evaluate.Metric):
             inputs_description=_KWARGS_DESCRIPTION,
             features=datasets.Features(
                 {
-                    "predictions": datasets.Value("string", id="sequence"),
+                    "predictions": datasets.Sequence(datasets.Value("int64", id="sequence"))
                 }
             ),
             reference_urls=[],