code: def get_photos_info(photoset_id):
      
      args = _get_request_args(
          'flickr.photosets.getPhotos',
          photoset_id=photoset_id
      )
      resp = requests.post(API_URL, data=args)
      resp_json = json.loads(resp.text.encode('utf-8'))
      logger.debug(resp_json)
      photos = resp_json['photoset']['photo']
      return photos
docs: Request the photos information with the photoset id
  
      :param photoset_id: The photoset id of flickr
      :type photoset_id: str
      :return: photos information
      :rtype: list