Fix file IO

[codecov-commenter]

Codecov Report

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

Project coverage is 89.59%. Comparing base (ab51a87) to head (d7cecae). Report is 2 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #201 +/- ## ========================================== + Coverage 89.53% 89.59% +0.05% ========================================== Files 15 15 Lines 1042 1048 +6 ========================================== + Hits 933 939 +6 Misses 109 109 ```

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