HyukjinKwon commented on code in PR #37444:
URL: https://github.com/apache/spark/pull/37444#discussion_r953198186
##########
python/pyspark/sql/dataframe.py:
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@@ -3393,12 +3549,22 @@ def toDF(self, *cols: "ColumnOrName") -> "DataFrame":
Parameters
----------
cols : str
- new column names
+ new column names. The length of the list needs to be the same as
the number of columns in the initial DataFrame
Review Comment:
```suggestion
new column names. The length of the list needs to be the same as
the number of columns in the initial :class:`DataFrame`
```
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