Update app.py

app.py

@@ -189,7 +189,7 @@ def visualize_isnad(taraf_num, yaxis):
             size = 70
             font_color = 'black'
         elif int(node) in end_nodes:
-            hadith_numbers = end_node_data.get(node, '')
+            hadith_numbers = end_node_data.get(int(node), '')
             label += f' \n Hadith {hadith_numbers}'
         net.add_node(node, font={'size': 30, 'color': font_color}, color=value_to_hex(student_narrations), label=label, x=pos[0] * x_stretch, y=-pos[1] * y_stretch, size=size)