docs: def get_gradebook_columns_by_genus_type(self, gradebook_column_genus_type):
          """Gets a ``GradebookColumnList`` corresponding to the given gradebook column genus ``Type`` which does not include gradebook columns of genus types derived from the specified ``Type``.
  
          In plenary mode, the returned list contains all known gradebook
          columns or an error results. Otherwise, the returned list may
          contain only those gradebook columns that are accessible through
          this session.
  
          arg:    gradebook_column_genus_type (osid.type.Type): a
                  gradebook column genus type
          return: (osid.grading.GradebookColumnList) - the returned
                  ``GradebookColumn`` list
          raise:  NullArgument - ``gradebook_column_genus_type`` is
                  ``null``
          raise:  OperationFailed - unable to complete request
          raise:  PermissionDenied - authorization failure
          *compliance: mandatory -- This method must be implemented.*
  
          """
          # Implemented from template for
          # osid.resource.ResourceLookupSession.get_resources_by_genus_type
          # NOTE: This implementation currently ignores plenary view
          collection = JSONClientValidated('grading',
                                           collection='GradebookColumn',
                                           runtime=self._runtime)
          result = collection.find(
              dict({'genusTypeId': str(gradebook_column_genus_type)},
                   **self._view_filter())).sort('_id', DESCENDING)
          return objects.GradebookColumnList(result, runtime=self._runtime, proxy=self._proxy)