zhengruifeng commented on code in PR #37801:
URL: https://github.com/apache/spark/pull/37801#discussion_r964331381
##########
python/pyspark/pandas/tests/test_groupby.py:
##########
@@ -1380,8 +1380,18 @@ def test_nth(self):
for n in [0, 1, 2, 128, -1, -2, -128]:
self._test_stat_func(lambda groupby_obj: groupby_obj.nth(n))
+ pdf, psdf = self.pdf, self.psdf
with self.assertRaisesRegex(TypeError, "Unsupported type"):
- self.psdf.groupby("B").nth("x")
+ psdf.groupby("B").nth("x")
+
+ # in case there is no aggregation columns, the results should be the
same
+ if LooseVersion("1.4.0") <= LooseVersion(pd.__version__) <
LooseVersion("1.5.0"):
Review Comment:
`< LooseVersion("1.5.0")`
I think only `1.4.x` will test this case
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