Update sanity_check.py

[Marcello-Sega]

fixes a double call to guess radii, which creates trouble

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.14%. Comparing base (82b655e) to head (b90f41b).
Report is 42 commits behind head on master.

❗ Current head b90f41b differs from pull request most recent head 49c6764. Consider uploading reports for the commit 49c6764 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #325      +/-   ##
==========================================
+ Coverage   85.05%   85.14%   +0.08%     
==========================================
  Files          38       38              
  Lines        3005     2996       -9     
==========================================
- Hits         2556     2551       -5     
+ Misses        449      445       -4     

Files	Coverage Δ
pytim/sanity_check.py	76.83% <ø> (+1.28%)	⬆️

... and 6 files with indirect coverage changes

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[Marcello-Sega]

@balazsfabian, this was left pending, do you remember why it was not merged?
I have some vague memory of you mentioning that it was not a good idea to remove that double call.