fix: fine tuning of models with non-default architecture

[KRiedmiller]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.81%. Comparing base (e737458) to head (ed24505).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #581      +/-   ##
==========================================
- Coverage   89.82%   89.81%   -0.01%     
==========================================
  Files         108      108              
  Lines       11150    11159       +9     
==========================================
+ Hits        10015    10022       +7     
- Misses       1135     1137       +2     

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