{Alertsmanagement} Add __init__.py

[qwordy]

{Alertsmanagement} Add init.py
Try to fix import error in CI checks when publishing the extension.

---

This checklist is used to make sure that common guidelines for a pull request are followed.

General Guidelines

• Have you run azdev style <YOUR_EXT> locally? (pip install azdev required)
• Have you run python scripts/ci/test_index.py -q locally?

For new extensions:

• My extension description/summary conforms to the Extension Summary Guidelines.

About Extension Publish

There is a pipeline to automatically build, upload and publish extension wheels.
Once your PR is merged into master branch, a new PR will be created to update src/index.json automatically.
The precondition is to put your code inside this repo and upgrade the version in the PR but do not modify src/index.json.

[qwordy]

I update index.json in order to trigger doc generation. The failed task succeeds now. I will revert it.

2020-04-08T03:20:17.3108888Z test_ref_doc_alertsmanagement (__main__.IndexRefDocs) ... /opt/hostedtoolcache/Python/3.7.6/x64/lib/python3.7/site-packages/sphinx/util/rst.py:26: FutureWarning: Possible set difference at position 3
2020-04-08T03:20:17.3111052Z   symbols_re = re.compile(r'([!--/:-@\[-`{-~])')  # symbols without dot(0x2e)
2020-04-08T03:20:17.3111950Z sphinx-build 1.7.0
2020-04-08T03:20:17.8284572Z Processing /tmp/tmptstywaek/alertsmanagement-0.1.0-py2.py3-none-any.whl
2020-04-08T03:20:18.2921835Z Installing collected packages: alertsmanagement
2020-04-08T03:20:18.3449873Z Successfully installed alertsmanagement-0.1.0
2020-04-08T03:20:18.6646361Z Running Sphinx v1.7.0
2020-04-08T03:20:18.9994436Z loading pickled environment... not yet created
2020-04-08T03:20:19.0017467Z building [mo]: targets for 0 po files that are out of date
2020-04-08T03:20:19.0018026Z building [xml]: targets for 1 source files that are out of date
2020-04-08T03:20:19.0034419Z updating environment: 1 added, 0 changed, 0 removed
2020-04-08T03:20:19.0037422Z reading sources... [100%] ind
2020-04-08T03:20:19.5685787Z FOUND 5 command(s) from the extension.
2020-04-08T03:20:19.5691887Z 
2020-04-08T03:20:19.5692851Z looking for now-outdated files... none found
2020-04-08T03:20:19.5693999Z pickling environment... done
2020-04-08T03:20:19.5694346Z checking consistency... done
2020-04-08T03:20:19.5694642Z preparing documents... done
2020-04-08T03:20:19.5694944Z writing output... [100%] ind
2020-04-08T03:20:19.6326429Z 
2020-04-08T03:20:19.6326968Z build succeeded.
2020-04-08T03:20:19.6327254Z 
2020-04-08T03:20:19.6327892Z The XML files are in ../../../../../tmp/tmpa1kdjgxl/alertsmanagement.
2020-04-08T03:20:19.6328858Z /opt/hostedtoolcache/Python/3.7.6/x64/lib/python3.7/site-packages/sphinx/util/rst.py:26: FutureWarning: Possible set difference at position 3
2020-04-08T03:20:19.6329648Z   symbols_re = re.compile(r'([!--/:-@\[-`{-~])')  # symbols without dot(0x2e)
2020-04-08T03:20:19.7375327Z -- Using output directory /tmp/tmpa1kdjgxl/alertsmanagement
2020-04-08T03:20:19.7377529Z -- Executing "/opt/hostedtoolcache/Python/3.7.6/x64/bin/python -m pip install --target /tmp/tmp5zeiy4ll/extension /tmp/tmptstywaek/alertsmanagement-0.1.0-py2.py3-none-any.whl --disable-pip-version-check --no-cache-dir"
2020-04-08T03:20:19.7378695Z -- Executing "sphinx-build -b xml /home/vsts/work/1/s/scripts/refdoc /tmp/tmpa1kdjgxl/alertsmanagement" with AZURE_EXTENSION_DIR set to /tmp/tmp5zeiy4ll
2020-04-08T03:20:19.7379422Z -- Cleaned up temp directory /tmp/tmp5zeiy4ll
2020-04-08T03:20:19.7380047Z -- Ref doc output available at /tmp/tmpa1kdjgxl/alertsmanagement
2020-04-08T03:20:19.7380538Z -- Done.
2020-04-08T03:20:19.7443597Z ok

[haroldrandom]

Test result of job Verify Ref Docs captured from the first commit:

it indicates the fix succeeded.