docs: def dataverse_search_doi(doi):
      """
      Fetches metadata pertaining to a Digital Object Identifier (DOI) in the
      Harvard Dataverse.
  
      Args:
          doi (str): The Digital Object Identifier (DOI) of the entry in the
              Dataverse.
  
      Raises:
          requests.exceptions.HTTPError: The given DOI does not exist, or there
              was a problem connecting to the Dataverse.
      """
  
      url = '{}/api/datasets/:persistentId?persistentId=doi:{}'.format(dataverse, doi)
      r = requests.get(url)
  
      try:
          r.raise_for_status()
      except requests.exceptions.HTTPError as error:
          print('Error looking up DOI "{}" in the Harvard Dataverse.'.format(doi))
          print(r.text)
          raise error
  
      return json.loads(r.text)