Jeff Zhang 5c7d65b18c ZEPPELIN-3538. Fail to bootstrap PySpark in yarn cluster mode ... ### What is this PR for? After ZEPPELIN-3375, PySparkInterpreter extends PythonInterpreter. PySparkInterpreter may fail to bootstrap PySpark as we miss to add hook to the pyspark bootstrap code. ### What type of PR is it? [Bug Fix] ### Todos * [ ] - Task ### What is the Jira issue? * https://issues.apache.org/jira/browse/ZEPPELIN-3538 ### How should this be tested? * CI pass ### Screenshots (if appropriate) ### Questions: * Does the licenses files need update? No * Is there breaking changes for older versions? No * Does this needs documentation? No Author: Jeff Zhang <zjffdu@apache.org> Closes #3016 from zjffdu/ZEPPELIN-3538 and squashes the following commits: 3a1d8a737 [Jeff Zhang] ZEPPELIN-3538. Fail to bootstrap PySpark in yarn cluster mode		2018-06-17 11:03:43 +08:00
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main	ZEPPELIN-3538. Fail to bootstrap PySpark in yarn cluster mode	2018-06-17 11:03:43 +08:00
test	[ZEPPELIN-3163]. Fix checkstyle of python	2018-06-17 11:02:21 +08:00