[Python] How do I set JWT refresh token location to cookies without having...

I am creating a fastapi backend for user authentication with jwt. I am using fastapi-jwt-auth library to create access and refresh tokens.

I am trying to send the refresh token in a cookie.

@router.post('/login')
def login_user(user: UserRequest, db: Session = Depends(get_db), Authorize: AuthJWT = Depends()):
db_user = db.query(UserModel).filter(UserModel.email == user.email).first()
if not db_user or not verify_pwd(user.pwd, db_user.hashed_pwd):
raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail='Invalid Credentials')

access_token = Authorize.create_access_token(subject=db_user.email)
refresh_token = Authorize.create_refresh_token(subject=db_user.email)
Authorize.set_refresh_cookies(refresh_token) # to send refresh token in cookies
return {
'access_token': access_token,
}


but was getting an error which said that I need to set the authjwt_token_location.

I added authjwt_token_location in the Settings class I made:

class Settings(BaseSettings):
authjwt_secret_key: str = os.environ.get('JWT_SECRET_KEY','YOUR_SECRET_KEY')
authjwt_token_location: Optional[Sequence[StrictStr]] = {'cookies'}

@AuthJWT.load_config
def get_config():
return Settings()


I have also tried using:

authjwt_token_location: set = {'cookies'} # still gives error


After setting the authjwt_token_location I keep getting a pydantic_core Validation error:

pydantic_core._pydantic_core.ValidationError: 1 validation error for Settings
authjwt_token_location
Input should be an instance of Sequence [type=is_instance_of, input_value={'cookies'}, input_type=set]


I also tried using different types of Sequences e.g list, tuple, str etc, but get the this error:

pydantic_core._pydantic_core.ValidationError: 1 validation error for LoadConfig
authjwt_token_location
Value error, The 'authjwt_token_location' must be between 'headers' or 'cookies' [type=value_error, input_value=['cookies'], input_type=list]


I have searched extensively but couldn't find anything. If anyone else have faced these errors, kindly guide me.

I am using versions: python 3.13.6

pydantic: 2.11.7

fastapi: 0.116.1

fastapi-jwt-auth: 0.5.0

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