Github user Leemoonsoo commented on the issue:
https://github.com/apache/zeppelin/pull/1769
Thanks for the contribution.
Could you check CI build failure? Most test profile fails with
```
Tests in error:
SparkInterpreterTest.setUp:92 û NullPointer
SparkInterpreterTest.shareSingleSparkContext:244 û NullPointer
SparkInterpreterTest.testBasicIntp:125 û NullPointer
SparkInterpreterTest.testCreateDataFrame:172 û NullPointer
SparkInterpreterTest.testDisableImplicitImport:282 û NullPointer
SparkInterpreterTest.testEnableImplicitImport:264 û NullPointer
SparkInterpreterTest.testEndWithComment:160 û NullPointer
SparkInterpreterTest.testNextLineComments:149 û NullPointer
SparkInterpreterTest.testNextLineCompanionObject:155 û NullPointer
SparkInterpreterTest.testNextLineInvocation:144 û NullPointer
SparkInterpreterTest.testReferencingUndefinedVal:219 û NullPointer
SparkInterpreterTest.testSparkSql:198 û NullPointer
SparkInterpreterTest.testZShow:185 û NullPointer
SparkSqlInterpreterTest.setUp:61 û NullPointer
SparkSqlInterpreterTest.setUp:61 û NullPointer
SparkSqlInterpreterTest.setUp:61 û NullPointer
PySparkInterpreterTest.setUp:87 û NullPointer
PySparkInterpreterTest.setUp:94 û Interpreter
java.lang.NullPointerException
Tests run: 25, Failures: 1, Errors: 18, Skipped: 0
```
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