Github user prabhjyotsingh commented on the issue:
https://github.com/apache/zeppelin/pull/1086
Ready for review.
CI fails for #5337.1. Which is unrelated
```
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running org.apache.zeppelin.python.PythonInterpreterTest
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in
[jar:file:/home/travis/build/apache/zeppelin/zeppelin-interpreter/target/zeppelin-interpreter-0.6.0-SNAPSHOT.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in
[jar:file:/home/travis/build/apache/zeppelin/zeppelin-interpreter/target/lib/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in
[jar:file:/home/travis/.m2/repository/org/slf4j/slf4j-log4j12/1.7.10/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an
explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
log4j:WARN No appenders could be found for logger
(org.apache.zeppelin.interpreter.Interpreter).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for
more info.
Tests run: 5, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.406 sec
<<< FAILURE! - in org.apache.zeppelin.python.PythonInterpreterTest
testClose(org.apache.zeppelin.python.PythonInterpreterTest) Time elapsed:
0.289 sec <<< FAILURE!
java.lang.AssertionError: null
at org.junit.Assert.fail(Assert.java:86)
at org.junit.Assert.assertTrue(Assert.java:41)
at org.junit.Assert.assertFalse(Assert.java:64)
at org.junit.Assert.assertFalse(Assert.java:74)
at
org.apache.zeppelin.python.PythonInterpreterTest.testClose(PythonInterpreterTest.java:168)
Results :
Failed tests:
PythonInterpreterTest.testClose:168 null
```
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