GitLab

* boom boom

* enable doctest for few seq2seq models

* add seq2seq models in documentation_tests.txt

* fix docstring blenderbot

* Apply suggestions from code review
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>

* Apply suggestions from code review
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>

* fix seq classif doc sample

* don't check loss for seq classif examples

* +IGNORE_OUTPUT => +IGNORE_RESULT

* fix _SEQ_CLASS_EXPECTED_OUTPUT_SHAPE

* fix some docs

* more fixes

* last fix (hopefully)

* fix big bird gen example

* fix mbart gen example
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>