Correctly compare request objects

[asvetlov]

Fix #3116

[codecov-io]

Codecov Report

Merging #3125 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #3125      +/-   ##
==========================================
+ Coverage   98.06%   98.06%   +<.01%     
==========================================
  Files          43       43              
  Lines        7837     7839       +2     
  Branches     1354     1354              
==========================================
+ Hits         7685     7687       +2     
  Misses         56       56              
  Partials       96       96

Impacted Files	Coverage Δ
aiohttp/web_request.py	98.68% <100%> (ø)	⬆️

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This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a [new issue] for related bugs.
If you feel like there's important points made in this discussion, please include those exceprts into that [new issue].
[new issue]: https://github.com/aio-libs/aiohttp/issues/new