from fastapi import FastAPI


sub_app = FastAPI(openapi_prefix="/subapp")


@sub_app.on_event("startup")
async def sub_app_startup():
    print("++++ Sub-app startup event")  # Never fires


app = FastAPI()


@app.on_event("startup")
async def app_startup():
    prin

cfg = OmegaConf.create({"foo": {"bar": "${baz}"}, "baz": 10})
assert cfg.foo.bar == 10

cfg2 = cfg.foo.copy()
assert cfg2.foo.bar == 10

cfg3 = copy.deepcopy(cfg.foo)
assert cfg3.foo.bar == 10