transformers

abf8f54a - ⚠️ Raise `Exception` when trying to generate 0 tokens ⚠️ (#28621)

⚠️ Raise `Exception` when trying to generate 0 tokens ⚠️ (#28621) * change warning to exception * Update src/transformers/generation/utils.py Co-authored-by: Joao Gante <joaofranciscocardosogante@gmail.com> * validate `max_new_tokens` > 0 in `GenerationConfig` * fix truncation test parameterization in `TextGenerationPipelineTests` --------- Co-authored-by: Joao Gante <joaofranciscocardosogante@gmail.com>