GitHub user agoodm opened a pull request:
https://github.com/apache/zeppelin/pull/1626
[ZEPPELIN-1655] Dynamic forms in Python interpreter do not work
### What is this PR for?
After #1534 , Dynamic Forms were no longer working in the python
interpreter. This is because the `Py4jZeppelinContext` constructor did not
initialize the `_displayhook` which is always called on post-execute.
### What type of PR is it?
Bug Fix
### What is the Jira issue?
[ZEPPELIN-1655](https://issues.apache.org/jira/browse/ZEPPELIN-1655)
### How should this be tested?
Run the following `%python` paragraph, being sure that Py4j is installed:
```python
%python
a, b, c, = (1, 2, 3)
z.select("Choose a letter", ([a,"a"], [b,"b"], [c,"c"] ))
```
### 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/agoodm/zeppelin ZEPPELIN-1655
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/1626.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 #1626
----
commit 2e4ee2dd41314cb2f1f7c999484397d0f0b791b3
Author: Alex Goodman <[email protected]>
Date: 2016-11-13T18:10:50Z
Make sure _displayhook is initialized in Py4jZeppelinContext
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