出错原因是写spark任务时调用了返回值中包含了numpy.dtype类型的值，需要转为通用的float类型即可

 

参考链接http://tech.dianwoda/2018/01/31/net-razorvine-pickle-pickleexception-expected-zero-arguments-for-construction-of-classdict-for-numpy-dtype/

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