rebuild the registry of relationships

tests/test_fastapi_usage.py

@@ -1,17 +1,13 @@
-import json
-from typing import Optional
-
 import databases
-import pydantic
 import sqlalchemy
 from fastapi import FastAPI
 from fastapi.testclient import TestClient
 
-app = FastAPI()
-
 import orm
 from tests.settings import DATABASE_URL
 
+app = FastAPI()
+
 database = databases.Database(DATABASE_URL, force_rollback=True)
 metadata = sqlalchemy.MetaData()