GitLab

* initial replacements of asserts with errors/exceptions

* replace assert with exception in generation, align and bart

* reset formatting change

* reset another formatting issue

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

* don't touch this file

* change to 'is not False'

* fix type

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Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>