Update app.py

app.py

@@ -50,7 +50,7 @@ bi_encoder.max_seq_length = 256    #Truncate long passages to 256 tokens
 top_k = 32                          #Number of passages we want to retrieve with the bi-encoder
 
 #The bi-encoder will retrieve 100 documents. We use a cross-encoder, to re-rank the results list to improve the quality
-cross_encoder = CrossEncoder(option2, ,device='cpu')
+cross_encoder = CrossEncoder(option2, device='cpu')
 
 passages = []