assertRaises contextManager behaves differently in python 2.6

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What steps will reproduce the problem?

The following test (for the JPype1 project  @ 
https://github.com/originell/jpype) works on python 2.7 and python 3 but fails 
in python 2.6:
        with self.assertRaises(JavaException) as cm:
            self.jpype.exc.ExceptionTest.throwRuntime()
        self.assertIs(cm.exception.javaClass(), java.lang.RuntimeException)

What is the expected output? What do you see instead?
I'm expecting it to work.

Traceback (most recent call last):

File "/home/travis/build/baztian/jpype/test/jpypetest/exc.py", line 31, in 
testExceptionThrown

self.assertIs(cm.exception.javaClass(), java.lang.RuntimeException)

AttributeError: 'tuple' object has no attribute 'javaClass'



What version of the product are you using? On what operating system?
0.8.0

Please provide any additional information below.

Original issue reported on code.google.com by bastian....@gmail.com on 12 Feb 2015 at 8:11