need to return a list, fixed

pipeline.py

@@ -35,4 +35,4 @@ class PreTrainedPipeline():
         n = 50
         top_sign_ids = self.sign_ids[sign_id_arg_rankings[:n]]
         top_sign_similarities = cos_similarites[sign_id_arg_rankings[:n]]
-        return dict(zip(top_sign_ids.tolist(), top_sign_similarities.tolist()))
+        return [top_sign_ids.tolist(), top_sign_similarities.tolist()]