GitHub user oxygen311 reopened a pull request: https://github.com/apache/zeppelin/pull/3115
[ZEPPELIN-3687] Fix IndexError in python interpreter with empty input ### What is this PR for? If input of python or pyspark interpreter is empty (contains only comments), it will fail with `IndexError` from `zeppelin_python.py`. ### What type of PR is it? Bug Fix ### What is the Jira issue? [ZEPPELIN-3687](https://issues.apache.org/jira/projects/ZEPPELIN/issues/ZEPPELIN-3687) ### Screenshots ## Before: ![screen-shot-2018-08-05-at-23 29 34](https://user-images.githubusercontent.com/16215034/43775282-d1274caa-9a54-11e8-9c6c-3b882f96cf7e.jpg) ![screen-shot-2018-08-07-at-11 48 10](https://user-images.githubusercontent.com/16215034/43775285-d385ad2a-9a54-11e8-9a14-aa0080cc5824.jpg) ## After: ![screen-shot-2018-08-07-at-15 11 452](https://user-images.githubusercontent.com/16215034/43775306-e17acf28-9a54-11e8-8378-9b6a8b1c817c.jpg) ![screen-shot-2018-08-07-at-15 11 45](https://user-images.githubusercontent.com/16215034/43775313-e51f81c8-9a54-11e8-829f-d2aba1cc9613.jpg) ### Questions: * Does the licenses files need update? No * Is there breaking changes for older versions? No * Does this needs documentation? No You can merge this pull request into a Git repository by running: $ git pull https://github.com/TinkoffCreditSystems/zeppelin DW-17854 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/zeppelin/pull/3115.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #3115 ---- commit 5d0fdd296af23f0a6fd34101615f281f184d3a94 Author: oxygen311 <alex39-09@...> Date: 2018-08-06T13:48:08Z Fix IndexError in python interpreter commit ad8d07f5e58b94f1a780ec27cdf0c8d40e936af4 Author: Alexey <alex39-09@...> Date: 2018-08-08T10:25:51Z Add test for empty input commit 54004b09864d913766bb21db38eb6ca716cdd8f6 Author: oxygen311 <alex39-09@...> Date: 2018-08-08T10:35:54Z Fix tests ---- ---