ozancicek commented on issue #24939: [SPARK-18569][ML][R] Support RFormula arithmetic, I() and spark functions URL: https://github.com/apache/spark/pull/24939#issuecomment-532672503 > **[Test build #110680 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/110680/testReport)** for PR 24939 at commit [`56e36f1`](https://github.com/apache/spark/commit/56e36f1b269e26e04005ee79570558b2f8146d1f). > > * This patch **fails PySpark unit tests**. > * This patch merges cleanly. > * This patch adds no public classes. ``` FAIL: test_train_prediction (pyspark.mllib.tests.test_streaming_algorithms.StreamingLinearRegressionWithTests) Test that error on test data improves as model is trained. ---------------------------------------------------------------------- Traceback (most recent call last): File "/home/jenkins/workspace/SparkPullRequestBuilder@2/python/pyspark/mllib/tests/test_streaming_algorithms.py", line 503, in test_train_prediction self._eventually(condition) File "/home/jenkins/workspace/SparkPullRequestBuilder@2/python/pyspark/mllib/tests/test_streaming_algorithms.py", line 69, in _eventually lastValue = condition() File "/home/jenkins/workspace/SparkPullRequestBuilder@2/python/pyspark/mllib/tests/test_streaming_algorithms.py", line 498, in condition self.assertGreater(errors[1] - errors[-1], 2) AssertionError: 1.672640157855923 not greater than 2 ``` I wasn't able to reproduce this failure locally. Could it be a transient error?
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