##database 在 apache 气流中初始化。我已经在 linux 中使用 python 3.8 版本安装了 apache 气流。在运行气流命令时，它会显示版本名称。在气流中初始化数据库时发生错误。解释下面的错误和解决方案，谢谢
/home/hduser/apache_airflow/venv/lib/python3.6/site-packages/sqlalchemy/orm/relationships.py:3463 SAWarning: relationship 'DagRun.serialized_dag' will copy column serialized_dag.dag_id to column dag_run.dag_id, which conflicts with relationship(s): 'TaskInstance.dag_run' (copies task_instance.dag_id to dag_run.dag_id), 'DagRun.task_instances' (copies task_instance.dag_id to dag_run.dag_id). If this is not the intention, consider if these relationships should be linked with back_populates, or if viewonly=True should be applied to one or more if they are read-only. For the less common case that foreign key constraints are partially overlapping, the orm.foreign() annotation …