@app.get("/no_response_model-annotation_union-return_model1")
def no_response_model_annotation_union_return_model1() -> User | Item:
    return DBUser(name="John", surname="Doe", password_hash="secret")


@app.get("/no_response_model-annotation_union-return_model2")
def no_response_model_annotation_union_return_model2() -> User | Item:
    return Item(name="Foo", price=42.0)