Multigrid-Dupuis and Chopard

I am trying to implement D2Q9 multigrid for LBM based on Dupuis and Chopard method. Is there any code (matlab or python) that I can relate to?
The implementation is a channel half of it is coarse grids and the other half is fine grid. If any one can help me to find a similar code i will really appreciate it
thank you


Have you succeeded with multi-grid? can you share your code with me?

Best Regards