GitLab

* enable uva for pinsage sampler

* unit test

* modify some checks on the python side

* remove legacy random walk code

* update unit test

* update unit test

* fix unit test

* adjust checks

* move some checks to c++

* move max_nodes check to cuda kernel

* fix ci for tf
Co-authored-by: Quan (Andy) Gan <coin2028@hotmail.com>
Co-authored-by: nv-dlasalle <63612878+nv-dlasalle@users.noreply.github.com>