Update app.py

app.py

@@ -142,7 +142,7 @@ def visualize_isnad(taraf_num, yaxis):
     # Merge isnad_hadith with narrator_bios for Teacher and Student
     isnad_hadith = isnad_hadith.merge(narrator_bios[['Rawi ID', 'Famous Name']], left_on='Source', right_on='Rawi ID', how='left').rename(columns={'Famous Name': 'Teacher'})
     isnad_hadith = isnad_hadith.merge(narrator_bios[['Rawi ID', 'Famous Name']], left_on='Destination', right_on='Rawi ID', how='left').rename(columns={'Famous Name': 'Student'})
-    
+    isnad_hadith[['Source', 'Destination']] = isnad_hadith[['Source', 'Destination']].astype(str)
     # Fill missing values with 'فلان'
     isnad_hadith['Teacher'].fillna('فلان', inplace=True)
     isnad_hadith['Student'].fillna('فلان', inplace=True)
@@ -163,7 +163,7 @@ def visualize_isnad(taraf_num, yaxis):
         label = f'{node_name} \n {student_rank} \n ID: {node} - Gen {student_gen}'
         size = 50
         font_color = 'red'
-        if node == 99999:
+        if node == '99999':
             label = f'{node_name} \n ID: {node} - Gen {student_gen}'
             size = 70
             font_color = 'black'