change generative model

app.py

@@ -75,7 +75,8 @@ def bot(history, api_kind):
     # Retrieve documents relevant to query
     query_doc_pair = [[query, doc] for doc in documents]
     cross_scores = cross_encoder.predict(query_doc_pair)
-    sim_scores_argsort = reversed(np.argsort(cross_scores))
+    sim_scores_argsort = list(reversed(np.argsort(cross_scores)))
+    logger.warning(f'Finished cross encoder {len(documents)}')
     
     documents = [documents[idx] for idx in sim_scores_argsort[:top_k_rank]]
     logger.warning(f'num documents {len(documents)}')