Github user pwendell commented on the pull request:
https://github.com/apache/spark/pull/705#issuecomment-45258117
@mateiz I think there is a legitimate failure with these python tests. If
you scroll to the bottom, it seems like an undefined variable `pairs` is
referenced:
```
======================================================================
ERROR: testAggregateByKey (__main__.TestRDDFunctions)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/root/workspace/SparkPullRequestBuilder/python/pyspark/tests.py",
line 201, in testAggregateByKey
sets = dict(pairs.aggregateByKey(set(), seqOp, combOp).collect())
NameError: global name 'pairs' is not defined
```
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