mnt: forgive usage of slash in datetime

[deepsource-io[bot]]

Here's the code health analysis summary for commits 8543397..1bac4fa. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
Python	✅ Success		View Check ↗

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[codecov[bot]]

Codecov Report

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

Project coverage is 98.41%. Comparing base (8543397) to head (1bac4fa).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #932 +/- ## ======================================= Coverage 98.41% 98.41% ======================================= Files 79 79 Lines 9791 9791 ======================================= Hits 9636 9636 Misses 155 155 ```

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