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# 本代码由可视化策略环境自动生成 2022年1月13日 11:59
# 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='2022-01-01',
    end_date='2022-01-12',
    market='CN_STOCK_A',
    instrument_list='',
    max_count=0
)

m3 = M.input_features.v1(
    features="""price_limit_status_0
date
instrument
name
ltsz
closePrice
"""
)

m4 = M.use_datasource.v1(
    instruments=m1.data,
    features=m3.data,
    datasource_id='dragon_origin_stock',
    start_date='',
    end_date=''
)

[2022-01-13 11:56:23.841282] INFO: moduleinvoker: instruments.v2 开始运行..

[2022-01-13 11:56:23.850519] INFO: moduleinvoker: 命中缓存

[2022-01-13 11:56:23.854386] INFO: moduleinvoker: instruments.v2 运行完成[0.01308s].

[2022-01-13 11:56:23.868014] INFO: moduleinvoker: input_features.v1 开始运行..

[2022-01-13 11:56:23.876358] INFO: moduleinvoker: 命中缓存

[2022-01-13 11:56:23.881511] INFO: moduleinvoker: input_features.v1 运行完成[0.013502s].

[2022-01-13 11:56:23.894838] INFO: moduleinvoker: use_datasource.v1 开始运行..

[2022-01-13 11:56:24.044161] ERROR: moduleinvoker: module name: use_datasource, module version: v1, trackeback: AttributeError: 'NoneType' object has no attribute 'to_hdf'

During handling of the above exception, another exception occurred:

AttributeError: 'NoneType' object has no attribute 'to_hdf'

---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
AttributeError: 'NoneType' object has no attribute 'to_hdf'

During handling of the above exception, another exception occurred:

AttributeError                            Traceback (most recent call last)
<ipython-input-42-77d9f13f0e0b> in <module>
     20 )
     21 
---> 22 m4 = M.use_datasource.v1(
     23     instruments=m1.data,
     24     features=m3.data,

AttributeError: 'NoneType' object has no attribute 'to_hdf'