import torch from diffusers import LTXPipeline, LTXImageToVideoPipeline device = "cuda" if torch.cuda.is_available() else "cpu" t2v_pipe = LTXPipeline.from_pretrained("Lightricks/LTX-Video", torch_dtype=torch.bfloat16) t2v_pipe.to(device) i2v_pipe = LTXImageToVideoPipeline.from_pipe(t2v_pipe) i2v_pipe.to(device)