Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/4278#discussion_r23810638
--- Diff: python/pyspark/tests.py ---
@@ -1032,6 +1033,15 @@ def test_aggregator(self):
from pyspark.sql import Aggregator as Agg
# self.assertEqual((0, '100'), tuple(g.agg(Agg.first(df.key),
Agg.last(df.value)).first()))
+ def test_help_command(self):
+ # Regression test for SPARK-5464
+ rdd = self.sc.parallelize(['{"foo":"bar"}', '{"foo":"baz"}'])
+ df = self.sqlCtx.jsonRDD(rdd)
+ # render_doc() reproduces the help() exception without printing
output
+ pydoc.render_doc(df)
--- End diff --
This is the case that threw an exception. The other two cases below are
just to improve our test-coverage, since those classes also have custom
`__getattr__` methods.
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