Github user zero323 commented on the issue: https://github.com/apache/spark/pull/16534 Thanks @holdenk! Let's wait for another opinion (maybe @rxin) and if it is not acceptable I'll just close this and ask for closing the ticket. Theoretically we could define a constructor with dynamic type: ```python type(name, (UserDefinedFunction, ), {"__doc__": func.__doc__}) ``` but this is way to hacky.
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