Log Message:
py-aiohttp: updated to 3.6.2

3.6.2:
Features
- Made exceptions pickleable. Also changed the repr of some exceptions.
- Use Iterable type hint instead of Sequence for Application *middleware*
  parameter.

Bugfixes
- Reset the sock_read timeout each time data is received for a
  aiohttp.ClientResponse.
- Fix handling of expired cookies so they are not stored in CookieJar.
- Fix misleading message in the string representation of ClientConnectorError;
  self.ssl == None means default SSL context, not SSL disabled
- Don't clobber HTTP status when using FileResponse.

Improved Documentation
- Added minimal required logging configuration to logging documentation.
- Update docs to reflect proxy support.
- Fix typo in code example in testing docs.