code: def createStatus(self,
                       repo_user, repo_name, sha, state, target_url=None,
                       context=None, issue=None, description=None):
          
          payload = {'body': description}
  
          return self._http.post(
              '/'.join(['/repos', repo_user, repo_name, 'issues', issue, 'comments']),
              json=payload)
docs: :param repo_user: GitHub user or organization
          :param repo_name: Name of the repository
          :param issue: Pull request number
          :param state: one of the following 'pending', 'success', 'error'
                        or 'failure'.
          :param description: Short description of the status.
          :return: A deferred with the result from GitHub.
  
          This code comes from txgithub by @tomprince.
          txgithub is based on twisted's webclient agent, which is much less reliable and featureful
          as txrequest (support for proxy, connection pool, keep alive, retry, etc)