code: def _find_travis_job(self, build, toxenv):
          
          for jobid in build.job_ids:
              j = self._travis.job(jobid)
              if 'TOXENV=%s' % toxenv in j.config['env']:
                  logger.debug('Found %s job: %s', toxenv, j.number)
                  return j
          raise SystemExit(
              'ERROR: could not find %s job for build %s (%s)' % (
                  toxenv, build.number, build.id
              )
          )
docs: Given a build object, find the acceptance36 job