Python-3.9.4 nova-23.0.1 oslo.db-8.5.0 SQLAlchemy-1.4.15 docs.openstack.org/install-guide/launch-instance-provider.html $ openstack server list Status is SHUTDOWN $ openstack server start provider-instance results in site-packages/oslo_db/sqlalchemy/update_match.py", line 489, in _update_context.statement.froms[0] ERROR nova.api.openstack.wsgi AttributeError: 'QueryContext' object has no attribute 'statement' site-packages/oslo_db/sqlalchemy/update_match.py line 488 and 489: context = query._compile_context() primary_table = context.statement.froms[0] site-packages/sqlalchemy/orm/query.py def _compile_context(self, for_statement=False): compile_state = self._compile_state(for_statement=for_statement) context = QueryContext( context = QueryContext( compile_state, compile_state.statement, self._params, self.session, self.load_options, ) return context nova, oslo.db or SQLAlchemy bug?