code: def job_status(self, project, job_id):
          
          all_jobs = self.list_jobs(project)
          for state in constants.JOB_STATES:
              job_ids = [job['id'] for job in all_jobs[state]]
              if job_id in job_ids:
                  return state
          return ''
docs: Retrieves the 'status' of a specific job specified by its id. Derived,
          utilises Scrapyd's list jobs endpoint to provide the answer.