Update app.py

app.py

@@ -368,7 +368,7 @@ def visualize_narrator_taraf(taraf_num, narrator, yaxis):
         else:
             net.add_node(node, font = {'size':30, 'color': 'red'}, color = value_to_hex(student_narrations), label = f'{node_name} \n {student_rank} \n ID: {node} - Gen {student_gen}', x= pos[0]*x_stretch, y= -1*pos[1]*y_stretch, size= 50)
     for edge in G.edges:
-        row = isnad_hadith[(isnad_hadith['Source'] == edge[0]) & (isnad_hadith['Destination'] == edge[1])]
+        row = isnad_hadith[(isnad_hadith['Source'] == edge[0]) & (isnad_hadith['Destination'] == edge[1])].iloc[0]
         source = row['Source']
         target = row['Destination']
         net.add_edge(source, target, color = value_to_hex(int(row[f'{yaxis} Count'])), label = f"{row[f'{yaxis} Count']}")