public function followers($account, $repo, $issueID)
    {
        return $this->requestGet(
            sprintf('repositories/%s/%s/issues/%d/followers', $account, $repo, $issueID)
        );
    }
public function followers($account, $repo, $issueID)
    {
        return $this->requestGet(
            sprintf('repositories/%s/%s/issues/%d/followers', $account, $repo, $issueID)
        );
    }
public function followers ( $ account , $ repo , $ issueID ) { return $ this -> requestGet ( sprintf ( 'repositories/%s/%s/issues/%d/followers' , $ account , $ repo , $ issueID ) ) ; }
GET a list of an issue's followers

@access public
@param  string           $account The team or individual account owning the repository.
@param  string           $repo    The repository identifier.
@param  int              $issueID The issue identifier.
@return MessageInterface
GET a list of an issue s followers