Reproduction package for "A new approach to modelling gamma-ray burst afterglows: using Gaussian processes to account for the systematics"

This is a basic reproduction package for the paper "A new approach to modelling gamma-ray burst afterglows: Using Gaussian processes to account for the systematics" by [Aksulu M.D. et al. (2020)](https://arxiv.org/abs/2004.04166, https://doi.org/10.1093/mnras/staa2297).