code: def get_collection(self, path, query, **options):
          
          options = self._merge_options(options)
          if options['iterator_type'] == 'items':
              return CollectionPageIterator(self, path, query, options).items()
          if options['iterator_type'] is None:
              return self.get(path, query, **options)
          raise Exception('Unknown value for "iterator_type" option: {}'.format(
              str(options['iterator_type'])))
docs: Get a collection from a collection endpoint.
  
          Parses GET request options for a collection endpoint and dispatches a
          request.