Finish transition to our own maybe_future #4453
Merged
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Tornado's gen.maybe_future is deprecated in 5.0 and doesn't suppport asyncio coroutines, which start showing up in some base methods (WebSocketHandler.get) in tornado 6.
#4449 monkeypatches the deprecated tornado gen.maybe_future for compatibility with asyncio, to keep the patch small for backporting.
This removes the monkeypatch, adopting our own multi_future throughout.