Partial in is_generator_with_return_value

[tonal]

See path in #5592

[codecov]

Codecov Report

Merging #5599 (257e44a) into master (b394f21) will increase coverage by 5.27%.
The diff coverage is 83.33%.

❗ Current head 257e44a differs from pull request most recent head b71d029. Consider uploading reports for the commit b71d029 to get more accurate results

@@            Coverage Diff             @@
##           master    #5599      +/-   ##
==========================================
+ Coverage   83.39%   88.67%   +5.27%     
==========================================
  Files         162      162              
  Lines       10998    11007       +9     
  Branches     1799     1801       +2     
==========================================
+ Hits         9172     9760     +588     
+ Misses       1561      966     -595     
- Partials      265      281      +16     

Impacted Files	Coverage Δ
scrapy/utils/reactor.py	81.57% <62.50%> (+2.12%)	⬆️
scrapy/utils/defer.py	97.33% <100.00%> (+0.03%)	⬆️
scrapy/utils/misc.py	97.87% <100.00%> (+0.06%)	⬆️
scrapy/utils/python.py	88.46% <0.00%> (ø)
scrapy/commands/check.py	71.01% <0.00%> (ø)
scrapy/shell.py	68.75% <0.00%> (+0.78%)	⬆️
scrapy/core/downloader/handlers/http11.py	94.09% <0.00%> (+0.98%)	⬆️
scrapy/extensions/feedexport.py	95.12% <0.00%> (+3.89%)	⬆️
scrapy/squeues.py	100.00% <0.00%> (+4.65%)	⬆️
scrapy/pipelines/media.py	98.58% <0.00%> (+5.67%)	⬆️
... and 7 more

[wRAR]

Can you please merge master so that unrelated test failures are removed? Thanks.

[wRAR]

This also needs a test, I can work on it later.