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