ModuleNotFoundError: No module named 'int_quantization'

I am using import int_quantization but the compiler do not detect it:

ModuleNotFoundError: No module named 'int_quantization'. I googled to install any package called int_quantization but couldn't find.

There is the same issue with import basic_int_quantization as I get:

ModuleNotFoundError: No module named 'basic_int_quantization'

How do I fix them?

Thanks.