formatting 6/n: metrics

[Borda]

What does this PR do?

apply yapf to metrics

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[pep8speaks]

Hello @Borda! Thanks for updating this PR.

There are currently no PEP 8 issues detected in this Pull Request. Cheers! 🍻

Comment last updated at 2021-01-31 08:54:10 UTC

[codecov]

Codecov Report

Merging #5722 (f0c00c0) into release/1.2-dev (5d239cc) will increase coverage by 0%.
The diff coverage is 74%.

@@               Coverage Diff               @@
##           release/1.2-dev   #5722   +/-   ##
===============================================
  Coverage               89%     89%           
===============================================
  Files                  169     169           
  Lines                12415   12415           
===============================================
+ Hits                 11099   11100    +1     
+ Misses                1316    1315    -1