price: Optional[float] = None
    owner_ids: Optional[List[int]] = None

app = FastAPI()

@app.get("/items/invalidnone", response_model=Item)
def get_invalid_none():
    if flag:
        return {"name": "foo"}
    # if flag is False, at this point the function will implicitly return None
```

IAAfAKqFPojm1nMRocNR+qjg3CvCoeBULZ5/zqn4FbYH/X5WFUTsk4Pg8SgzdID0h==","X-Minio-Internal-Server-Side-Encryption-Seal-Algorithm":"DAREv2-HMAC-SHA256","content-type":"application/octet-stream"}},{"Bucket":"buck1","Name":"go_113/src/cmd/internal/objabi/flag.go","UserDef":{"X-Minio-Internal-Server-Side-Encryption-Iv":"9+SkvGFh+63bY2K/yZKXmPltHJZMKl6rybJK=","X-Minio-Internal-Server-Side-Encryption-S3-Kms-Key-Id":"my-minio-key","X-Minio-Internal-Server-Side-Encryption-S3-Kms-Sealed-Key":"IAAfAKn5o+2VEcl...