関連ワード:  python object type is not json serializable    python class object is not json serializable    python object of type class is not json serializable    python object of type datetime is not json serializable    python object of type bytes is not json serializable    python object of type set is not json serializable    python object of type decimal is not json serializable    python object of type int64 is not json serializable    python object of type date is not json serializable    python typeerror object of type is not json serializable  
結果 : python object type is not json serializable