Update app.py

app.py

@@ -186,7 +186,7 @@ def search(query, top_k=2):
     ##### Sematic Search #####
     # Encode the query using the bi-encoder and find potentially relevant passages
     question_embedding = bi_encoder.encode(query, convert_to_tensor=True)
-    question_embedding = question_embedding.gpu()
+    question_embedding = question_embedding.cpu()
     hits = util.semantic_search(question_embedding, corpus_embeddings, top_k=top_k)
     hits = hits[0]  # Get the hits for the first query