Release aiohttp 3.5.2 bugfix release · aio-libs/aiohttp

Changes

FileResponse from web_fileresponse.py uses a ThreadPoolExecutor to work with files asynchronously.
I/O based payloads from payload.py uses a ThreadPoolExecutor to work with I/O objects asynchronously.
#3313 <https://github.com/aio-libs/aiohttp/issues/3313>_
Internal Server Errors in plain text if the browser does not support HTML.
#3483 <https://github.com/aio-libs/aiohttp/issues/3483>_

Preserve MultipartWriter parts headers on write.

Refactor the way how Payload.headers are handled. Payload instances now always
have headers and Content-Type defined.

Fix Payload Content-Disposition header reset after initial creation.
#3035 <https://github.com/aio-libs/aiohttp/issues/3035>_
Log suppressed exceptions in GunicornWebWorker.
#3464 <https://github.com/aio-libs/aiohttp/issues/3464>_
Remove wildcard imports.
#3468 <https://github.com/aio-libs/aiohttp/issues/3468>_
Use the same task for app initialization and web server handling in gunicorn workers.
It allows to use Python3.7 context vars smoothly.
#3471 <https://github.com/aio-libs/aiohttp/issues/3471>_
Fix handling of chunked+gzipped response when first chunk does not give uncompressed data
#3477 <https://github.com/aio-libs/aiohttp/issues/3477>_
Replace collections.MutableMapping with collections.abc.MutableMapping to avoid a deprecation warning.
#3480 <https://github.com/aio-libs/aiohttp/issues/3480>_
Payload.size type annotation changed from Optional[float] to Optional[int].
#3484 <https://github.com/aio-libs/aiohttp/issues/3484>_
Ignore done tasks when cancels pending activities on web.run_app finalization.
#3497 <https://github.com/aio-libs/aiohttp/issues/3497>_

Add documentation for aiohttp.web.HTTPException.
#3490 <https://github.com/aio-libs/aiohttp/issues/3490>_