Update app.py

app.py

@@ -333,7 +333,7 @@ def visualize_narrator_taraf(taraf_num, narrator, yaxis):
         isnad_in_hadith1 = isnad_hadith['Hadiths Cleaned'].apply(lambda x: taraf_hadith_split[i] in x )
         isnad_hadith1 = isnad_hadith[isnad_in_hadith1]
         G1 = nx.from_pandas_edgelist(isnad_hadith1, source = 'Source', target = 'Destination', create_using = nx.DiGraph())
-        node = [n for n, d in G.out_degree() if d == 0]
+        node = [n for n, d in G1.out_degree() if d == 0]
         if narrator in list(G1.nodes):
             matns_with_narrator.append(taraf_hadith[i])
             for n in node: