WeichenXu123 commented on pull request #32245:
URL: https://github.com/apache/spark/pull/32245#issuecomment-823883887
@harupy
Backport to branch-3.1 cause conflicts.
Could you create a PR against apache/spark branch-3.1 ?
```
++<<<<<<< HEAD
+ def test_parallelism_doesnt_change_output(self):
++=======
+ def test_raw_prediction_column_is_of_vector_type(self):
+ # SPARK-35142: `OneVsRestModel` outputs raw prediction as a string
column
+ df = self.spark.createDataFrame([(0.0, Vectors.dense(1.0, 0.8)),
+ (1.0, Vectors.sparse(2, [], [])),
+ (2.0, Vectors.dense(0.5, 0.5))],
+ ["label", "features"])
+ lr = LogisticRegression(maxIter=5, regParam=0.01)
+ ovr = OneVsRest(classifier=lr, parallelism=1)
+ model = ovr.fit(df)
+ row = model.transform(df).head()
+ self.assertIsInstance(row["rawPrediction"], DenseVector)
+
+ def test_parallelism_does_not_change_output(self):
++>>>>>>> b6350f5bb0... [SPARK-35142][PYTHON][ML] Fix incorrect return type
for `rawPredictionUDF` in `OneVsRestModel`
```
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