docs: def cancel(self, job_id):
          """ Cancels the given ``job_id``.
  
          https://app.zencoder.com/docs/api/jobs/cancel
  
          """
          if self.version == 'v1':
              verb = self.get
          else:
              verb = self.put
  
          url = self.base_url + '/%s/cancel' % str(job_id)
          return verb(url)