update to fix code.

This cpde has 3 errors. I'd like to fix those.

README.md

@@ -46,7 +46,7 @@ from diffusers.utils import export_to_gif, load_image
 
 
 ckpt_id = "openai/shap-e-img2img"
-pipe = ShapEImg2ImgPipeline.from_pretrained(repo).to("cuda")
+pipe = ShapEImg2ImgPipeline.from_pretrained(ckpt_id).to("cuda")
 
 img_url = "https://hf.co/datasets/diffusers/docs-images/resolve/main/shap-e/corgi.png"
 image = load_image(img_url)
@@ -62,11 +62,11 @@ images = pipe(
     generator=generator, 
     guidance_scale=guidance_scale,
     num_inference_steps=64, 
-    size=256, 
+    frame_size=256, 
     output_type="pil"
 ).images
 
-gif_path = export_to_gif(images, "corgi_sampled_3d.gif")
+gif_path = export_to_gif(images[0], "corgi_sampled_3d.gif")
 ```
 
 ## Results