FIX: f-string usage for IronPython compatibility

[eblanco-ansys]

Replace f-strings with standard string formatting to ensure compatibility with IronPython.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.23%. Comparing base (0a75871) to head (3777932).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6748   +/-   ##
=======================================
  Coverage   83.23%   83.23%           
=======================================
  Files         245      245           
  Lines       77361    77361           
=======================================
  Hits        64389    64389           
  Misses      12972    12972           

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