t encoder hidden states.  IFImg2ImgPipeline  class diffusers.IFImg2ImgPipeline  < source > ( tokenizer: T5Tokenizer text_encoder: T5EncoderModel unet: UNet2DConditionModel scheduler: DDPMScheduler safety_checker: Optional feature_extractor: Optional watermarker: Optional requires_safety_checker: bool = True  )     __call__  < source > ( prompt: Union = None image: Union = None strength: float = 0.7 num_inference_steps: int = 80 timesteps: List 