Cherry-pick PR #3727: PY38: web_protocol.RequestHandler _keepalive field with slots (#3727)#3731

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asvetlov merged 1 commit intoaio-libs:3.5from

atemate:backport-ff1c9de-3.5

May 8, 2019

Commits on May 6, 2019

[3.5] [3.5] Fix issue #3644: PY38: web_protocol.RequestHandler mismatch _keepalive field with __slots__ (#3727)

Artem Yushkovskiy
authored and
Artem Yushkovskiy
committed