SQLAlchemy降順で並べ替えますか?

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次のようなSQLAlchemyクエリでORDERBY降順を使用するにはどうすればよいですか?

このクエリは機能しますが、昇順で返されます:

  query =(model.Session.query(model.Entry).join(model.ClassificationItem).join(model.EnumerationValue).filter_by(id = c.row.id ).order_by(model.Entry.amount)#¬†この行:)) 

試してみると:

  .order_by(desc(model。 Entry.amount)) 

次に、次のように表示されます: NameError:グローバル名"desc"が定義されていません

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