Google Code-in

Help convert mypy annotations to the Python 3 syntax in the Zulip codebase! This is a great way to practice git, git grep, and efficiently using a powerful editor.

Instructions for the mypy annotation task are at https://github.com/zulip/zulip-gci/blob/master/tasks/2017/mypy-annotations.md.

For this task, do Task Type A for the following set of files:

• zerver/webhooks/bitbucket2/tests.py
• zerver/tornado/event_queue.py
• zerver/tests/test_events.py