Github user zhengruifeng commented on a diff in the pull request:
https://github.com/apache/spark/pull/16171#discussion_r101937841
--- Diff: python/pyspark/ml/wrapper.py ---
@@ -20,12 +20,14 @@
if sys.version >= '3':
xrange = range
+from pyspark import since, keyword_only
from pyspark import SparkContext
from pyspark.sql import DataFrame
from pyspark.ml import Estimator, Transformer, Model
from pyspark.ml.param import Params
from pyspark.ml.util import _jvm
from pyspark.ml.common import inherit_doc, _java2py, _py2java
+from pyspark.ml.param.shared import *
--- End diff --
@HyukjinKwon Thanks for pointing this out. I will modify this place.
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