WeichenXu123 commented on a change in pull request #30471:
URL: https://github.com/apache/spark/pull/30471#discussion_r530055236
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File path: python/pyspark/ml/tuning.py
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@@ -207,6 +210,205 @@ def _to_java_impl(self):
return java_estimator, java_epms, java_evaluator
+class _ValidatorSharedReadWrite:
+
+ @staticmethod
+ def saveImpl(path, instance, sc, extraMetadata=None):
+ from pyspark.ml.classification import OneVsRest
+ numParamsNotJson = 0
+ jsonEstimatorParamMaps = []
+ for paramMap in instance.getEstimatorParamMaps():
+ jsonParamMap = []
Review comment:
oh. there's a mistake here. I will update.
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