Update app.py

app.py

@@ -569,8 +569,7 @@ if currFile is None and len(st.session_state.results) > 0 and len(st.session_sta
 try:
     st.session_state.resetResult = False
     if currFile is None:
-        st.info("Select a file from the sidebar to view results.")
-        raise ValueError("No file selected")
+        st.stop()
     currFileIndex = file_names.index(currFile)
     currPlainName = currFile.split('.')[0]
     if len(st.session_state.results) > currFileIndex and len(st.session_state.summaries) > currFileIndex and len(st.session_state.results[currFileIndex]) > 0: