Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/17849#discussion_r132359369
--- Diff: python/pyspark/ml/wrapper.py ---
@@ -144,7 +158,9 @@ def _transfer_params_from_java(self):
if self._java_obj.hasParam(param.name):
java_param = self._java_obj.getParam(param.name)
# SPARK-14931: Only check set params back to avoid default
params mismatch.
- if self._java_obj.isSet(java_param):
+ if self._java_obj.isSet(java_param) or (
+ # SPARK-10931: Temporary fix for params that have
a default in Java
+ self._java_obj.hasDefault(java_param) and not
self.isDefined(param)):
--- End diff --
This change will make a default value for a param in java side as an
user-provided param value in python side.
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