code: def check_status(self):
          
          self.out.log("Recruitment is complete. Waiting for experiment completion...")
          base_url = get_base_url()
          status_url = base_url + "/summary"
          while not self.complete:
              time.sleep(10)
              try:
                  resp = requests.get(status_url)
                  exp_data = resp.json()
              except (ValueError, requests.exceptions.RequestException):
                  self.out.error("Error fetching experiment status.")
              else:
                  self.out.log("Experiment summary: {}".format(exp_data))
                  if exp_data.get("completed", False):
                      self.out.log("Experiment completed, all nodes filled.")
                      self.complete = True
                      self.heroku.stop()
docs: Check the output of the summary route until
          the experiment is complete, then we can stop monitoring Heroku
          subprocess output.