      can_rollback_ddl = True
      supports_paramstyle_pyformat = False
      supports_sequence_reset = False
      can_clone_databases = True
  
      @cached_property
      def uses_savepoints(self):
          return Database.sqlite_version_info >= (3, 6, 8)
 
</s>
    supports_temporal_subtraction = True
      can_rollback_ddl = True
      supports_paramstyle_pyformat = False
      supports_sequence_reset = False
      can_clone_databases = True
    supports_temporal_subtraction = True
  
      @cached_property
      def uses_savepoints(self):
          return Database.sqlite_version_info >= (3, 6, 8)
keep keep keep add keep keep keep keep
 Fixed #24793 -- Unified temporal difference support.
django/db/backends/sqlite3/features.py