Update app.py

app.py

@@ -123,7 +123,7 @@ def preprocess_plain_text(text,window_size=3):
 
     return passages
 
-@st.experimental_memo(allow_output_mutation=True,suppress_st_warning=True)
+@st.experimental_memo(suppress_st_warning=True)
 def bi_encode(bi_enc,passages):
     
     global bi_encoder