if err != nil {
		return err
	}

	wk, err := workers.New(workerSize)
	if err != nil {
		// invalid worker size.
		return err
	}

	walkQuorum := env.Get("_MINIO_BATCH_REPLICATION_WALK_QUORUM", "strict")
	if walkQuorum == "" {
		walkQuorum = "strict"
	}

	retryAttempts := ri.RetryAttempts
	retry := false
	for attempts := 1; attempts <= retryAttempts; attempts++ {

	return z.s3Peer.HealBucket(ctx, bucket, opts)
}

// Walk a bucket, optionally prefix recursively, until we have returned
// all the contents of the provided bucket+prefix.
// TODO: Note that most errors will result in a truncated listing.
func (z *erasureServerPools) Walk(ctx context.Context, bucket, prefix string, results chan<- ObjectInfo, opts WalkOptions) error {

  makefile_download_dir = os.path.join(_TF_WORKSPACE_ROOT, 'tensorflow',
                                       'contrib', 'makefile', 'downloads')
  if os.path.isdir(makefile_download_dir):
    for root, _, filenames in os.walk(makefile_download_dir):
      for f in filenames:
        if f.endswith('BUILD'):
          os.remove(os.path.join(root, f))


def get_var(environ_cp,
            var_name,
            query_item,

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