fix train show and tests

[lazarusA]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 48.06%. Comparing base (0325d31) to head (b57b7b5).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #214      +/-   ##
==========================================
+ Coverage   39.11%   48.06%   +8.95%     
==========================================
  Files          33       33              
  Lines        1851     1860       +9     
==========================================
+ Hits          724      894     +170     
+ Misses       1127      966     -161     

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