from fastapi import FastAPI, UploadFile
from fastapi._compat import (
    ModelField,
    Undefined,
    _get_model_config,
    get_cached_model_fields,
    get_model_fields,
    is_bytes_sequence_annotation,
    is_scalar_field,
    is_uploadfile_sequence_annotation,
)
from fastapi.testclient import TestClient
from pydantic import BaseConfig, BaseModel, ConfigDict
from pydantic.fields import FieldInfo

                return True
    return False


def is_bytes_sequence_annotation(annotation: Any) -> bool:
    origin = get_origin(annotation)
    if origin is Union or origin is UnionType:
        at_least_one = False
        for arg in get_args(annotation):
            if is_bytes_sequence_annotation(arg):
                at_least_one = True
                continue
        return at_least_one