There is an else statement that is present in the code which is not required so it is removed

There is an else statement that is present in the code which is not required as there is a return statement so it can be removed and the else block can be shifted to front.

wer.py

@@ -96,11 +96,10 @@ class WER(evaluate.Metric):
     def _compute(self, predictions=None, references=None, concatenate_texts=False):
         if concatenate_texts:
             return compute_measures(references, predictions)["wer"]
-        else:
-            incorrect = 0
-            total = 0
-            for prediction, reference in zip(predictions, references):
-                measures = compute_measures(reference, prediction)
-                incorrect += measures["substitutions"] + measures["deletions"] + measures["insertions"]
-                total += measures["substitutions"] + measures["deletions"] + measures["hits"]
-            return incorrect / total
+        incorrect = 0
+        total = 0
+        for prediction, reference in zip(predictions, references):
+            measures = compute_measures(reference, prediction)
+            incorrect += measures["substitutions"] + measures["deletions"] + measures["insertions"]
+            total += measures["substitutions"] + measures["deletions"] + measures["hits"]
+        return incorrect / total