[jira] [Created] (SPARK-26105) Clean unittest2 imports up added Python 2.6 before

["Hyukjin Kwon (JIRA)" <ji...@apache.org>]

Hyukjin Kwon created SPARK-26105:
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             Summary: Clean unittest2 imports up added Python 2.6 before
                 Key: SPARK-26105
                 URL: https://issues.apache.org/jira/browse/SPARK-26105
             Project: Spark
          Issue Type: Test
          Components: PySpark
    Affects Versions: 3.0.0
            Reporter: Hyukjin Kwon


Currently, PySpark tests sill assume the tests could be ran in Python 2.6 by importing {{unittest2}}. For instance:

{code}
if sys.version_info[:2] <= (2, 6):
    try:
        import unittest2 as unittest
    except ImportError:
        sys.stderr.write('Please install unittest2 to test with Python 2.6 or earlier')
        sys.exit(1)
else:
    import unittest
{code}

We officially dropped Python 2.6 support a while ago and started to discuss about Python 2 drop. It's better to remove them out. 




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