helloword.py has no pygubu.Builder()

[tojestzart]

self.builder = builder = pygubu.Builder() AttributeError: module 'pygubu' has no attribute 'Builder'
tested on Python 3.7.2 (bundled) and 3.7.4
import was sucessful

[vineethraj510]

Hello tojestzart, Can you please provide me more information like example code so that I can understand clearly were the code is giving issue