[jira] [Commented] (SPARK-7379) pickle.loads expects a string instead of bytes in Python 3.

["Xusen Yin (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-7379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15037189#comment-15037189 ] 

Xusen Yin commented on SPARK-7379:
----------------------------------

I also hit the error in the PR: https://github.com/apache/spark/pull/10007, stack trace here: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/46802/consoleFull The Python3 failed the pyspark test.

> pickle.loads expects a string instead of bytes in Python 3.
> -----------------------------------------------------------
>
>                 Key: SPARK-7379
>                 URL: https://issues.apache.org/jira/browse/SPARK-7379
>             Project: Spark
>          Issue Type: Bug
>          Components: PySpark
>    Affects Versions: 1.4.0
>            Reporter: Xiangrui Meng
>            Assignee: Davies Liu
>
> In PickleSerializer, we call pickle.loads in Python 3. However, the input obj could be bytes, which works in Python 2 but not 3.
> The error message is
> {code}
>   File "/home/jenkins/workspace/SparkPullRequestBuilder@3/python/pyspark/serializers.py", line 418, in loads
>         return pickle.loads(obj, encoding=encoding)
>     TypeError: must be a unicode character, not bytes
> {code}



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