Update app.py

app.py

@@ -1,9 +1,18 @@
 import gradio as gr
 import os
-from groq import Groq
+
+# Install the groq package if it is not installed
+try:
+    from groq import Groq
+except ImportError:
+    os.system('pip install groq')
+    from groq import Groq
 
 # Set up the Groq client with the secret key
 groq_key = os.getenv('groq_key')
+if not groq_key:
+    raise ValueError("groq_key environment variable is not set")
+
 client = Groq(api_key=groq_key)
 
 class SimpleChatBot: