How to use the twitchio.errors.Unauthorized function in twitchio

reset = resp.headers.get('Ratelimit-Reset')
                    remaining = resp.headers.get('Ratelimit-Remaining')

                    self._bucket.update(reset=reset, remaining=remaining)

                if 200 <= resp.status < 300:
                    if resp.content_type == 'application/json':
                        return await resp.json(), False

                    return await resp.text(encoding='utf-8'), True

                if resp.status == 401:
                    if self.client_id is None:
                        raise Unauthorized('A client ID or other authorization is needed to use this route.')

                    raise Unauthorized('You\'re not authorized to use this route.')

                if resp.status == 429:
                    reason = 'Ratelimit Reached'

                    if not utilize_bucket:  # non Helix APIs don't have ratelimit headers
                        await asyncio.sleep(3 ** attempt + 1)
                    continue

                raise HTTPException(f'Failed to fulfil request ({resp.status}).', resp.reason)

        raise HTTPException('Failed to reach Twitch API', reason)

if utilize_bucket:
                    reset = resp.headers.get('Ratelimit-Reset')
                    remaining = resp.headers.get('Ratelimit-Remaining')

                    self._bucket.update(reset=reset, remaining=remaining)

                if 200 <= resp.status < 300:
                    if resp.content_type == 'application/json':
                        return await resp.json(), False

                    return await resp.text(encoding='utf-8'), True

                if resp.status == 401:
                    if self.client_id is None:
                        raise Unauthorized('A client ID or other authorization is needed to use this route.')

                    raise Unauthorized('You\'re not authorized to use this route.')

                if resp.status == 429:
                    reason = 'Ratelimit Reached'

                    if not utilize_bucket:  # non Helix APIs don't have ratelimit headers
                        await asyncio.sleep(3 ** attempt + 1)
                    continue

                raise HTTPException(f'Failed to fulfil request ({resp.status}).', resp.reason)

        raise HTTPException('Failed to reach Twitch API', reason)