minor typing improvements

[robamu]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.42%. Comparing base (a514263) to head (1837cfb).
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #81      +/-   ##
==========================================
- Coverage   96.42%   96.42%   -0.01%     
==========================================
  Files          93       93              
  Lines        7325     7324       -1     
==========================================
- Hits         7063     7062       -1     
  Misses        262      262              

Flag	Coverage Δ
unittests	96.42% <100.00%> (-0.01%)	⬇️

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