Update app.py

app.py

@@ -10,6 +10,7 @@ import re
 model_id = "CompVis/stable-diffusion-v1-4"
 device = "cuda"
 
+auth_token = os.environ.get("READ_TOKEN")
 #If you are running this code locally, you need to either do a 'huggingface-cli login` or paste your User Access Token from here https://huggingface.co/settings/tokens into the use_auth_token field below. 
 pipe = StableDiffusionPipeline.from_pretrained(model_id, use_auth_token=True, revision="fp16", torch_dtype=torch.float16)
 pipe = pipe.to(device)