блоки 2 и 3 доработки интерфейса системы тестирования

flask_app/app/__init__.py

@@ -69,6 +69,12 @@ def create_app() -> Flask:
     app.register_blueprint(tests_bp)
     app.register_blueprint(settings_bp)
 
+    from . import db as _db
+
+    @app.teardown_appcontext
+    def _shutdown_session(exc):  # noqa: ARG001
+        _db.remove_session()
+
     from .config import is_assignment_feature_enabled, is_dev_ui, is_hr_auth_enabled
     from .auth.decorators import current_user as _current_user