Github user BryanCutler commented on a diff in the pull request: https://github.com/apache/spark/pull/23203#discussion_r238868565 --- Diff: python/run-tests.py --- @@ -93,17 +93,18 @@ def run_individual_python_test(target_dir, test_name, pyspark_python): "pyspark-shell" ] env["PYSPARK_SUBMIT_ARGS"] = " ".join(spark_args) - - LOGGER.info("Starting test(%s): %s", pyspark_python, test_name) + str_test_name = " ".join(test_name) + LOGGER.info("Starting test(%s): %s", pyspark_python, str_test_name) start_time = time.time() try: per_test_output = tempfile.TemporaryFile() retcode = subprocess.Popen( - [os.path.join(SPARK_HOME, "bin/pyspark"), test_name], --- End diff -- Just a thought, could you leave `test_name` as a string and then change this line to `[os.path.join(SPARK_HOME, "bin/pyspark")] + test_name.split(),`? I think it would be a little more simple and wouldn't need `str_test_name`, wdyt?
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