Update app.py

app.py

@@ -11,6 +11,12 @@ def respond(
     temperature,
     top_p,
 ):
+    # Send a default greeting message if the chat history is empty
+    if not history:
+        greeting = "Привет, помощник врача EMS штата Alta."
+        history.append((None, greeting))
+        yield greeting
+
     messages = [{"role": "system", "content": system_message}]
 
     for val in history: