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# 本代码由可视化策略环境自动生成 2022年3月2日 21:59
# 本代码单元只能在可视化模式下编辑。您也可以拷贝代码，粘贴到新建的代码单元或者策略，然后修改。


m1 = M.instruments.v2(
    start_date='2019-01-01',
    end_date='2022-03-01',
    market='CN_CONBOND',
    instrument_list='',
    max_count=0
)

m3 = M.input_features.v1(
    features="""
# #号开始的表示注释，注释需单独一行
# 多个特征，每行一个，可以包含基础特征和衍生特征，特征须为本平台特征
return_5
return_10
return_20
"""
)

m2 = M.use_datasource.v1(
    instruments=m1.data,
    features=m3.data,
    datasource_id='bar1d_CN_BOND',
    start_date='2019-01-01',
    end_date='2022-03-01'
)

[2022-03-02 21:58:26.796047] INFO: moduleinvoker: instruments.v2 开始运行..

[2022-03-02 21:58:26.804884] INFO: moduleinvoker: 命中缓存

[2022-03-02 21:58:26.807939] INFO: moduleinvoker: instruments.v2 运行完成[0.011904s].

[2022-03-02 21:58:26.815930] INFO: moduleinvoker: use_datasource.v1 开始运行..

[2022-03-02 21:58:28.443223] INFO: moduleinvoker: use_datasource.v1 运行完成[1.627299s].

[2022-03-02 21:58:28.448970] INFO: moduleinvoker: input_features.v1 开始运行..

[2022-03-02 21:58:28.477095] INFO: moduleinvoker: 命中缓存

[2022-03-02 21:58:28.480217] INFO: moduleinvoker: input_features.v1 运行完成[0.031221s].

[2022-03-02 21:58:28.490542] INFO: moduleinvoker: use_datasource.v1 开始运行..

[2022-03-02 21:58:28.510497] ERROR: moduleinvoker: module name: use_datasource, module version: v1, trackeback: _pickle.UnpicklingError: invalid load key, 'H'.

---------------------------------------------------------------------------
UnpicklingError                           Traceback (most recent call last)
<ipython-input-26-3f8c85675a55> in <module>
     28 )
     29 
---> 30 m2 = M.use_datasource.v1(
     31     instruments=m4.data,
     32     features=m3.data,

UnpicklingError: invalid load key, 'H'.