code: def await_results(url, pings=45, sleep=2):
      
  
      print("Checking...", end="", flush=True)
      for _ in range(pings):
          # Query for check results.
          res = requests.post(url)
          if res.status_code != 200:
              continue
          payload = res.json()
          if payload["complete"]:
              break
          print(".", end="", flush=True)
          time.sleep(sleep)
      else:
          # Terminate if no response
          print()
          raise Error(
              _("check50 is taking longer than normal!\nSee https://cs50.me/checks/{} for more detail.").format(commit_hash))
      print()
  
      # TODO: Should probably check payload["checks"]["version"] here to make sure major version is same as __version__
      # (otherwise we may not be able to parse results)
      return (CheckResult(**result) for result in payload["checks"]["results"])
docs: Ping {url} until it returns a results payload, timing out after
      {pings} pings and waiting {sleep} seconds between pings.