Fix serialization

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 86.69%. Comparing base (bab1d00) to head (81b9a69). Report is 2 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #254 +/- ## ======================================= Coverage 86.69% 86.69% ======================================= Files 16 16 Lines 1338 1338 ======================================= Hits 1160 1160 Misses 178 178 ```

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