update after API changes

app.py

@@ -127,7 +127,7 @@ st.markdown(
     "that takes the OCR text as input and predict ingredient lists."
 )
 barcode = st.text_input("barcode", help="Barcode of the product", value=default_barcode).strip()
-model_version = st.text_input("model version", help="Version of the model to use (1 or 2)", value="2").strip()
+model_version = "1"
 st.experimental_set_query_params(barcode=barcode)
 
 threshold = st.number_input(