GitLab

* fix invalid port

* missing requirements

* fix run_seq2seq.py; porting DeepSpeed tests to it

* unrefactor

* defensive programming

* defensive programming 2

* port the rest of the trainer tests

* style

* a cleaner scripts dir finder

* cleanup

* init devices/setup explicitly

* docs + test

* simplify

* cleanup

* cleanup

* cleanup

* correct the required dist setup

* derive local_rank from env LOCAL_RANK

* free up memory at the end of train

* rework tests

* consistent formatting

* correction