docs: def get_pr(pr_num, config=None, repo=DEFAULT_REPO, raw=False):
      """
      Get the payload for the given PR number. Let exceptions bubble up.
      """
      response = requests.get(PR_ENDPOINT.format(repo, pr_num), auth=get_auth_info(config))
  
      if raw:
          return response
      else:
          response.raise_for_status()
          return response.json()