Application's shutdown sometimes fails (async tasks)

[pinnaculum]

Software version

0.4.31

OS

Any

IPFS daemon type (standalone/custom)

• Standalone
• Custom IPFS daemon

Expected Behavior

Exiting the browser should work reliably no matter what

Current Behavior

The coroutine responsible for shutting down the application sometimes
fails on first attempt (although it works on next attempts in that case), leaving
the app/UI still running.

Steps to Reproduce

1. Start the browser
2. Perform any tasks ..
3. From the main menu select 'Quit' or hit ctrl+q

Possible Solution

Using aiomonitor it's possible to see which tasks are still running after the app exit failed.

Extra information

The coroutine that performs the shutdown could be the main issue. The order in which the tasks are closed of course matters. The shutdown of the aiojobs scheduler seems to work pretty well.

[pinnaculum]

Help much appreciated from python devs who have some experience with asyncio and have an idea about how to tackle this issue