Update app.py

app.py

@@ -293,7 +293,8 @@ def load_models_and_documents():
             )
         )
 
-        conn = sqlite3.connect(':memory:', check_same_thread=False)    
+        conn = sqlite3.connect(':memory:', check_same_thread=False)
+        conn.execute('PRAGMA foreign_keys = ON;')
         cursor = conn.cursor()
 
         cursor.execute('''
@@ -529,6 +530,7 @@ if __name__ == '__main__':
         print(f'Check : {st.session_state.key_data_editor}')
         
         if st.session_state.key_data_editor['deleted_rows'] and (st.session_state.key_data_editor['deleted_rows'][-1] in st.session_state.df):
+            st.toast('Wait for deletion to complete...')
             print('HELLO')
             name = st.session_state.df.loc[st.session_state.key_data_editor['deleted_rows'][-1], 'document']
             print(f'{name}')
@@ -540,6 +542,7 @@ if __name__ == '__main__':
                 points_selector=PointIdsList(points=ids_values)
             )
             delete_document(conn, cursor, name)
+            st.toast('Deletion completed !', icon='🎉')
             
     
     if menu_id == 'Documents':