Update app.py

app.py

@@ -149,11 +149,11 @@ def bot(history, cross_encoder):
         # Retrieve documents relevant to query
         query_doc_pair = [[query, doc] for doc in documents]
         if cross_encoder=='MiniLM-L6v2' :
-               cross_encoder = CrossEncoder('cross-encoder/ms-marco-MiniLM-L-6-v2') 
+               cross_encoder1 = CrossEncoder('cross-encoder/ms-marco-MiniLM-L-6-v2') 
         elif cross_encoder=='BGE reranker':
-               cross_encoder = CrossEncoder('BAAI/bge-reranker-base')
+               cross_encoder1 = CrossEncoder('BAAI/bge-reranker-base')
         
-        cross_scores = cross_encoder.predict(query_doc_pair)
+        cross_scores = cross_encoder1.predict(query_doc_pair)
         sim_scores_argsort = list(reversed(np.argsort(cross_scores)))
         logger.warning(f'Finished cross encoder {len(documents)}')