How to manage rollback when need to call two repository method from a service

[MahmudulHassan5809]

Here suppose deposit updated successfully but user balance not updated because of error. in that case how to rollback

def status_change(self,id: int, entity: DepositUpdate) -> Deposit:
    # first call the deposit repository 
    self._deposit_repository.update(id, entity)

    # then call user repository to update balance
    self._user_repository.update(id, amount)

Framework : FastAPI
DB : postgres
ORM : sqlalchemy