Update the MODEL_NAME = "llama-3.1-8b-instant"

app.py

@@ -14,10 +14,16 @@ from groq import Groq
 # Configuration
 # -----------------------------
 GROQ_API_KEY = os.getenv("GROQ_API_KEY")
-MODEL_NAME = "llama3-8b-8192"
+
+if not GROQ_API_KEY:
+    raise RuntimeError(
+        "GROQ_API_KEY is not set. Please add it in Hugging Face Spaces > Settings > Environment Variables."
+    )
+
+MODEL_NAME = "llama-3.1-8b-instant"
 
 client = Groq(api_key=GROQ_API_KEY)
-embedder = SentenceTransformer("all-MiniLM-L6-v2")
+
 
 # -----------------------------
 # PDF Processing