Upgrade websockets, resolve incompatible issue between multidict and websockets

[yunstanford]

Fix: #1629
Resolve incompatible issue between multidict and websockets.

[codecov]

Codecov Report

Merging #1635 into master will increase coverage by 0.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1635      +/-   ##
==========================================
+ Coverage   91.61%   91.63%   +0.01%     
==========================================
  Files          19       20       +1     
  Lines        2099     2103       +4     
  Branches      391      391              
==========================================
+ Hits         1923     1927       +4     
  Misses        138      138              
  Partials       38       38

Impacted Files	Coverage Δ
sanic/asgi.py	92.52% <100%> (ø)	⬆️
sanic/compat.py	100% <100%> (ø)
sanic/response.py	100% <100%> (ø)	⬆️

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[ahopkins]

Much needed. Thanks @yunstanford! Will look it over this weekend.

[yunstanford]

I'd like to schedule a release for this patch, can you guys take a look ? @ahopkins @seemethere

[ahopkins]

Looks good like it should resolve the get_all issue.

[snguyenthanh]

@yunstanford May I ask when this patch will get released ?

[ahopkins]

This was not something introduced by 19.6. So, this will likely be a part of 19.9 released in September.

[blaisep]

Hi @Tronic , @ahopkins ,
When I tried to take over maintenance of the python-sanic in Fedora, I found that
Fedora packaging has blocked sanic because they require websockets >=8.0
( https://bugzilla.redhat.com/show_bug.cgi?id=1729908 )
Should I go ahead and hack the dependency file to see if I can force the build?
https://src.fedoraproject.org/rpms/python-sanic/pull-request/1
or I am asking for trouble.
I don't want to cast sanic in a bad light by shoehorning it into the Fedora disto.

[ahopkins]

Upgrading the dependency is on my short list of things to do for an upcoming release.