Python OOP Linear Regression

I need a clean, fully-object-oriented implementation of simple linear regression written from scratch in Python. The purpose of this model is to make the relationships between variables explicit and interpretable, rather than merely spitting out predictions... (Budget: ₹750 - ₹1250 INR, Jobs: Data Analysis, Data Science, Data Visualization, English (US) Translator, Java, Linear Regression, NumPy, Python, SQL, Statistics)