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utils/retriever.py

@@ -41,6 +41,7 @@ def get_bm25_search_hits(corpus, sparse_scores, top_n=50):
         if len(bm25_search) <= top_n:
             bm25_search.append(corpus[idx])
             indices.append(idx)
+    indices = [int(x) for x in indices]
     return indices