fixed "repo", "size" not defined issue, branch @shap-ee doens't existed

README.md

@@ -34,7 +34,7 @@ First make sure you have installed all the dependencies:
 
 ```bash 
 pip install transformers accelerate -q
-pip install git+https://github.com/huggingface/diffusers@@shap-ee
+pip install git+https://github.com/huggingface/diffusers
 ```
 
 Once the dependencies are installed, use the code below:
@@ -46,7 +46,7 @@ from diffusers.utils import export_to_gif
 
 
 ckpt_id = "openai/shap-e"
-pipe = ShapEPipeline.from_pretrained(repo).to("cuda")
+pipe = ShapEPipeline.from_pretrained(ckpt_id).to("cuda")
 
 
 guidance_scale = 15.0
@@ -55,7 +55,7 @@ images = pipe(
     prompt,
     guidance_scale=guidance_scale,
     num_inference_steps=64,
-    size=256,
+    frame_size=256,
 ).images
 
 gif_path = export_to_gif(images, "shark_3d.gif")