fix multireference

signwriting_similarity.py

@@ -136,7 +136,11 @@ class SignWritingSimilarity(evaluate.Metric):
     def _compute(self, predictions, references):
         # if only one reference is provided make sure we still use list of lists
         if isinstance(references[0], str):
-            references = [[ref] for ref in references]
+            references = [references]
+        # else:
+        #     # transpose references, to be array of arrays
+        #     # the internal array is as long as the predictions, the external one is for multiple references.
+        #     references = list(zip(*references))
 
         score = self.metric.corpus_score(predictions, references)