GitHub user mstewart141 opened a pull request:
https://github.com/apache/spark/pull/20728
[SPARK-23569][PYTHON] Allow pandas_udf to work with python3 style
type-annotated functions
## What changes were proposed in this pull request?
Check python version to determine whether to use `inspect.getargspec` or
inspect.getfullargspec` before applying `pandas_udf` core logic to a function.
The former is python2.7 (deprecated in python3) and the latter is python3.x.
The latter correctly accounts for type annotations, which are syntax errors in
python2.x.
## How was this patch tested?
Locally, on python 2.7 and 3.6.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mstewart141/spark pandas_udf_fix
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/20728.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #20728
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commit 3cd53f39f23ebd1b9b4134a9ac22348b301f8bd4
Author: Michael (Stu) Stewart <mstewart141@...>
Date: 2018-03-03T21:54:53Z
[SPARK-23569][PYTHON] Allow pandas_udf to work with python3 style
type-annotated functions
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