Given a study_id, temporary filename of content, branch and auth_info

        Deprecated but needed until we merge api local-dep to master...

def write_study(self, study_id, file_content, branch, author):
        """Given a study_id, temporary filename of content, branch and auth_info

        Deprecated but needed until we merge api local-dep to master...

        """
        gh_user = branch.split('_study_')[0]
        msg = "Update Study #%s via OpenTree API" % study_id
        return self.write_document(gh_user,
                                   study_id,
                                   file_content,
                                   branch,
                                   author,
                                   commit_msg=msg)