ply fusion on the VAE.    Disable QKV projection fusion if enabled. This API is 🧪 experimental.  AltDiffusionImg2ImgPipeline  class diffusers.AltDiffusionImg2ImgPipeline  < source > ( vae: AutoencoderKL text_encoder: RobertaSeriesModelWithTransformation tokenizer: XLMRobertaTokenizer unet: UNet2DConditionModel scheduler: KarrasDiffusionSchedulers safety_checker: StableDiffusionSafetyChecker feature_extractor: CLIPImageProcessor image_encoder: C