BUG: fix formatter behaviour

[neutrinoceros]

No description provided.

[codecov]

Codecov Report

Merging #83 (d9ff080) into main (2c3ee14) will increase coverage by 0.17%.
The diff coverage is 98.03%.

@@            Coverage Diff             @@
##             main      #83      +/-   ##
==========================================
+ Coverage   99.66%   99.84%   +0.17%     
==========================================
  Files          19       19              
  Lines         598      630      +32     
==========================================
+ Hits          596      629      +33     
+ Misses          2        1       -1     

Flag	Coverage Δ
unittests	99.84% <98.03%> (+0.17%)	⬆️

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Impacted Files	Coverage Δ
tests/test_format.py	99.05% <97.43%> (-0.95%)	⬇️
inifix/format.py	100.00% <100.00%> (+2.15%)	⬆️

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