Update app.py

app.py

@@ -191,4 +191,11 @@ def update_iframe(n_clicks):
             return result['url']
     except Exception as e:
         print(f"Error loading URL: {e}")
-    finally:
+    finally:
+        conn.close()  # This line was likely causing the IndentationError
+    return dash.no_update
+
+if __name__ == '__main__':
+    print("Starting the Dash application...")
+    app.run(debug=True, host='0.0.0.0', port=7860)
+    print("Dash application has finished running.")