Update src/streamlit_app.py

src/streamlit_app.py

@@ -539,7 +539,7 @@ with st.expander("How to Test Your Model", expanded=True):
         st.info("👆 Upload a TSV file to calculate your score")
 
     # Allow download of results
-    if 'user_results' in st.session_state
+    if 'user_results' in st.session_state:
         user_results = pd.DataFrame([st.session_state.user_results])
         tsv_data = convert_df_to_tsv(user_results)
         st.download_button(