docs: def get_grade_entries_by_genus_type(self, grade_entry_genus_type):
          """Gets a ``GradeEntryList`` corresponding to the given grade entry genus ``Type`` which does not include grade entries of genus types derived from the specified ``Type``.
  
          arg:    grade_entry_genus_type (osid.type.Type): a grade entry
                  genus type
          return: (osid.grading.GradeEntryList) - the returned
                  ``GradeEntry`` list
          raise:  NullArgument - ``grade_entry_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='GradeEntry',
                                           runtime=self._runtime)
          result = collection.find(
              dict({'genusTypeId': str(grade_entry_genus_type)},
                   **self._view_filter())).sort('_id', DESCENDING)
          return objects.GradeEntryList(result, runtime=self._runtime, proxy=self._proxy)