message: Add back string casting for null customer comments
diff: @@ -104,7 +104,7 @@ Args): Promise<number> {
  ['Name', 'Comment', 'Deploy Private Key', 'SSH Key', 'Created'],
  [
  R.prop('name', customer),
  - R.prop('comment', customer),
  + String(R.prop('comment', customer)),
  formatDeployPrivateKey(R.prop('private_key', customer)),
  R.join(', ', formatSshKeys(R.propOr([], 'sshKeys')(customer))),
  R.prop('created', customer),
  