Object-oriented programming is an advanced issue and is not absolutely necessary for becoming productive with Python and the packages of the ecosystem
However, understanding what a class and a class-instance object are will greatly help you understand the deeper Python mechanisms and faster develop your programming skills.
Of course, if you have a programmer's background and a prior knowledge of OOP then this section is for you. It will help you develop Python class hierarchies and extend the efficiency of your code by constructing your own data types (classes).
Please come back later to find information about OOP in Python