Github user josepablocam commented on the pull request: https://github.com/apache/spark/pull/7430#issuecomment-122035440 @MechCoder I'm not as familiar with Python, so this might be a horrid suggestion, but one option would be to require users to pass in a named function, rather than a lambda. cPickle can handle named functions (but not lambdas). I suspect there is a better suggestion out there for this though... ``` >>> import pickle >>> from scipy.stats.distributions import norm >>> def mynorm(x): ... norm.cdf(x) ... >>> pickle.dumps(mynorm) 'c__main__\nmynorm\np0\n.' ```
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