GitLab

* slice dstdata from srcdata within nn module

* a bunch of fixes

* add comment

* fix gcmc layer

* repr for blocks

* fix

* fix context

* fix

* do not copy internal columns

* docstring

* init gat

* fix

* gin

* 7 nn modules

* rename & lint

* upd

* upd

* fix lint

* upd test

* upd

* lint

* shape check

* upd

* lint

* address comments

* update tensorflow
Co-authored-by: Quan Gan <coin2028@hotmail.com>
Co-authored-by: Jinjing Zhou <VoVAllen@users.noreply.github.com>
Co-authored-by: Minjie Wang <wmjlyjemaine@gmail.com>

* Add HeteroGraphConv

* add custom aggregator; some docstring

* debugging

* rm print

* fix some acc bugs

* fix initialization problem in weight basis

* passed tests

* lint

* fix graphconv flag; add error message

* add mxnet heteroconv

* more fix for mx

* lint

* fix torch cuda test

* fix mx test_nn

* add exhaust test for graphconv

* add tf heteroconv

* fix comment