Yu Ishikawa created SPARK-8511:
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Summary: Modify a test to remove a saved model in `regression.py`
Key: SPARK-8511
URL: https://issues.apache.org/jira/browse/SPARK-8511
Project: Spark
Issue Type: Improvement
Components: PySpark
Reporter: Yu Ishikawa
According to the reference of python, {{os.removedirs}} doesn't work if there
are any files in the directory we want to remove.
https://docs.python.org/3/library/os.html#os.removedirs
Instead of that, using `shutil.rmtree()` would be better to remove a temporary
directory to test for saving model.
https://github.com/apache/spark/blob/branch-1.4/python%2Fpyspark%2Fmllib%2Fregression.py#L137
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