Update app.py

app.py

@@ -231,8 +231,8 @@ choices.insert(0,'None')
 
 
 st.sidebar.subheader("Topics")   
-show_clusters = clusters
-show_clusters.sort(key=lambda x: len(clusters[x]))
+show_clusters = list(clusters.items())
+show_clusters.sort(key=lambda x: len(x[1]))
 for i in list(clusters.keys()):
     st.sidebar.write(f"{i} : {len(clusters[i])}")