Fix PixArt 256px inference (#6789)
* feat 256px diffusers inference bug
* change the max_length of T5 to pipeline config file
* fix bug in convert_pixart_alpha_to_diffusers.py
* Update scripts/convert_pixart_alpha_to_diffusers.py
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>
* remove multi_scale_train parser
* Update src/diffusers/pipelines/pixart_alpha/pipeline_pixart_alpha.py
Co-authored-by: YiYi Xu <yixu310@gmail.com>
* Update src/diffusers/pipelines/pixart_alpha/pipeline_pixart_alpha.py
Co-authored-by: YiYi Xu <yixu310@gmail.com>
* styling
* change `model_token_max_length` to call argument.
* Refactoring
* add: max_sequence_length to the docstring.
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Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>
Co-authored-by: YiYi Xu <yixu310@gmail.com>
