xinrong-databricks commented on code in PR #36028:
URL: https://github.com/apache/spark/pull/36028#discussion_r843075944
##########
python/pyspark/pandas/indexes/base.py:
##########
@@ -1141,10 +1141,21 @@ def is_type_compatible(self, kind: str) -> bool:
"""
return kind == self.inferred_type
- def dropna(self) -> "Index":
+ def dropna(self, how: str = "any") -> "Index":
"""
Return Index or MultiIndex without NA/NaN values
+ Parameters
+ ----------
+ how : {'any', 'all'}, default 'any'
+ If the Index is a MultiIndex, drop the value when any or all levels
+ are NaN.
+
+
Review Comment:
Good catch!
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