Update app.py

app.py

@@ -4,6 +4,9 @@ import streamlit as st
 
 st.set_page_config(layout="wide")
 
+with st.sidebar:
+    subset = st.selectbox('Flores eng_Latn-ukr_Cyrl subset', ('dev', 'devtest'))
+
 dataset = load_dataset("facebook/flores", "eng_Latn-ukr_Cyrl")
-st.dataframe(pd.DataFrame(dataset['devtest']))
+st.dataframe(pd.DataFrame(dataset[subset]))