Fix height problem

[bynect]

Solves #1406 and #1410

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 83.33333% with 1 line in your changes missing coverage. Please review.

Project coverage is 65.11%. Comparing base (162fc27) to head (e4e5171).

Files with missing lines	Patch %	Lines
src/draw.c	83.33%	1 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1411      +/-   ##
==========================================
- Coverage   65.12%   65.11%   -0.02%     
==========================================
  Files          50       50              
  Lines        8654     8653       -1     
  Branches     1023     1024       +1     
==========================================
- Hits         5636     5634       -2     
- Misses       3018     3019       +1     

Flag	Coverage Δ
unittests	65.11% <83.33%> (-0.02%)	⬇️

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