Переписал на onion arch

backend/migrations/env.py

@@ -7,14 +7,14 @@ from sqlalchemy.engine import Connection
 from sqlalchemy.ext.asyncio import async_engine_from_config
 
 from app.config import database_url
-from app.models import AbstractModel
+from app.models import DBModel
 
 config = context.config
 config.set_main_option("sqlalchemy.url", database_url)
 if config.config_file_name is not None:
     fileConfig(config.config_file_name)
 
-target_metadata = AbstractModel.metadata
+target_metadata = DBModel.metadata
 
 
 def run_migrations_offline() -> None: