Update app.py

app.py

@@ -233,7 +233,7 @@ choices.insert(0,'None')
 st.sidebar.subheader("Topics")   
 show_clusters = {i:len(clusters[i]) for i in clusters.keys()}
 cdf = pd.DataFrame(data={"Articles":list(show_clusters.values()), "Cluster":list(show_clusters.keys())}  )
-styler = df.style.hide_index()
+styler = cdf.style.hide_index()
 st.write(styler.to_html(), unsafe_allow_html=True)
 
 #st.write(df.to_html(index=False), unsafe_allow_html=True)