Update app.py

app.py

@@ -5,7 +5,7 @@ import requests
 # Retrieve the API token from environment variables
 model_repo_id = os.getenv("MODEL_REPO_ID")
 if not model_repo_id:
-    raise ValueError("MODEL_REPO_ID token not found. Please set the API_TOKEN environment variable.")
+    raise ValueError("MODEL_REPO_ID token not found. Please set the MODEL_REPO_ID environment variable.")
 
 # Hugging Face Inference API Details
 API_URL = "https://api-inference.huggingface.co/models/meta-llama/Llama-3.2-1B-Instruct"