Update app.py

app.py

@@ -4,7 +4,11 @@ from groq import Groq
 import os
 
 # Access the Groq API key from environment variables
-GROQ_API_KEY = os.environ.get("GROQ_API_KEY")
+GROQ_API_KEY = os.environ.get("exomapi")
+
+# Check if the API key is set
+if not GROQ_API_KEY:
+    raise ValueError("The 'exomapi' environment variable is not set. Please set it in Hugging Face Spaces.")
 
 # Initialize Groq client
 client = Groq(api_key=GROQ_API_KEY)