Update reranker.py

reranker.py

@@ -7,7 +7,7 @@ def reranker(query, matches):
 
     pairs = []
     for match in matches:
-        pairs.append((query, match["metadata"]["text"]))
+        pairs.append([query, match["metadata"]["text"]])
     
     model = CrossEncoder('cross-encoder/ms-marco-TinyBERT-L-2-v2', max_length = 512)