Fixing small bug

[codecov[bot]]

Codecov Report

Merging #32 (4b82f20) into main (bf40e76) will decrease coverage by 0.16%. The diff coverage is 100.00%.

:exclamation: Current head 4b82f20 differs from pull request most recent head 944a8b7. Consider uploading reports for the commit 944a8b7 to get more accurate results

@@            Coverage Diff             @@
##             main      #32      +/-   ##
==========================================
- Coverage   83.55%   83.38%   -0.17%     
==========================================
  Files          12       12              
  Lines        1216     1216              
  Branches      263      263              
==========================================
- Hits         1016     1014       -2     
- Misses        156      157       +1     
- Partials       44       45       +1     

Flag	Coverage Δ
pytest	83.38% <100.00%> (-0.17%)	:arrow_down:

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Impacted Files	Coverage Δ
diameter_synthesis/build_diameters.py	90.04% <100.00%> (ø)
diameter_synthesis/simpler_diametrizer.py	73.03% <0.00%> (-2.25%)	:arrow_down:

[arnaudon]

the change in coverage is very minor, let's discard it