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https://issues.apache.org/jira/browse/SPARK-10512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14736389#comment-14736389
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Apache Spark commented on SPARK-10512:
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User 'yu-iskw' has created a pull request for this issue:
https://github.com/apache/spark/pull/8667
> Fix @since when a function doesn't have doc
> -------------------------------------------
>
> Key: SPARK-10512
> URL: https://issues.apache.org/jira/browse/SPARK-10512
> Project: Spark
> Issue Type: Improvement
> Components: PySpark
> Affects Versions: 1.6.0
> Reporter: Yu Ishikawa
>
> When I tried to add @since to a function which doesn't have doc, @since
> didn't go well. It seems that {{___doc___}} is {{None}} under {{since}}
> decorator.
> {noformat}
> Traceback (most recent call last):
> File "/Users/01004981/.pyenv/versions/2.6.8/lib/python2.6/runpy.py", line
> 122, in _run_module_as_main
> "__main__", fname, loader, pkg_name)
> File "/Users/01004981/.pyenv/versions/2.6.8/lib/python2.6/runpy.py", line
> 34, in _run_code
> exec code in run_globals
> File
> "/Users/01004981/local/src/spark/myspark3/python/pyspark/mllib/recommendation.py",
> line 46, in <module>
> class MatrixFactorizationModel(JavaModelWrapper, JavaSaveable,
> JavaLoader):
> File
> "/Users/01004981/local/src/spark/myspark3/python/pyspark/mllib/recommendation.py",
> line 166, in MatrixFactorizationModel
> @since("1.3.1")
> File "/Users/01004981/local/src/spark/myspark3/python/pyspark/__init__.py",
> line 63, in deco
> indents = indent_p.findall(f.__doc__)
> TypeError: expected string or buffer
> {noformat}
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