Should I work over Christmas to fix my code, or is it ok to leave it and delay a project by a couple of weeks?

It's a long story, but basically I started a new role (3 months in) and my code is giving incorrect results in a in-production model meaning the next inference run will be delayed a couple of weeks. I feel a responsibility for my code and I did unit test it in the training environment but it gives incorrect results in the production environment.

Should I work over my Christmas break to fix it, so the project stays on track, or …

christmas code datascience delay giving inference meaning next production project role story will work