Chore: Remove some warnings

[adrien-berchet]

Description

Just remove a few warnings.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (43a9f80) 97.76% compared to head (5840fe8) 97.86%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #100      +/-   ##
==========================================
+ Coverage   97.76%   97.86%   +0.09%     
==========================================
  Files          39       39              
  Lines        2197     2201       +4     
  Branches      381      383       +2     
==========================================
+ Hits         2148     2154       +6     
+ Misses         30       29       -1     
+ Partials       19       18       -1     

Flag	Coverage Δ
pytest	97.86% <100.00%> (+0.09%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
neurots/astrocyte/space_colonization.py	94.32% <100.00%> (ø)
neurots/generate/orientations.py	100.00% <ø> (ø)
neurots/generate/tree.py	100.00% <100.00%> (ø)
neurots/validator.py	100.00% <100.00%> (ø)

... and 1 file with indirect coverage changes