beliefer opened a new pull request, #39378:
URL: https://github.com/apache/spark/pull/39378
### What changes were proposed in this pull request?
Currently, the python doc test failed caused by `DataFrame.describe`
```
File
"/Users/s.singh/personal/spark-oss/python/pyspark/sql/connect/dataframe.py",
line 898, in pyspark.sql.connect.dataframe.DataFrame.describe
Failed example:
df.describe(['age']).show()
Exception raised:
Traceback (most recent call last):
File
"/usr/local/Cellar/[email protected]/3.10.8/Frameworks/Python.framework/Versions/3.10/lib/python3.10/doctest.py",
line 1350, in __run
exec(compile(example.source, filename, "single",
File "<doctest pyspark.sql.connect.dataframe.DataFrame.describe[1]>",
line 1, in <module>
df.describe(['age']).show()
File
"/Users/s.singh/personal/spark-oss/python/pyspark/sql/connect/dataframe.py",
line 832, in describe
raise TypeError(f"'cols' must be list[str], but got
{type(s).__name__}")
TypeError: 'cols' must be list[str], but got list
```
### Why are the changes needed?
Let the python doc test success.
### Does this PR introduce _any_ user-facing change?
'No'.
New feature.
### How was this patch tested?
N/A
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