code: def description(self):
          
          resource_list = self.traffic_incident()
          description = namedtuple('description', 'description')
          if len(resource_list) == 1 and resource_list[0] is None:
              return None
          else:
              try:
                  return [description(resource['description'])
                          for resource in resource_list]
              except (KeyError, TypeError):
                  try:
                      return [description(resource['Description'])
                              for resource in resource_list]
                  except KeyError:
                      return None
docs: Retrieves the description of the incident/incidents from the output
          response
  
          Returns:
              description(namedtuple): List of named tuples of descriptions of
              the incident/incidents