Update app.py

app.py

@@ -29,7 +29,7 @@ def generate_response(user_message, cid, token, history=None):
     
     history.append(user_message)
     
-    stream = co.chat_stream(message=user_message, conversation_id=cid, model='c4ai-aya-23', connectors=[], temperature=0.3)
+    stream = co.chat_stream(message=user_message, preamble="You are the greek philosopher Diogenes and you aswer only in italian language", conversation_id=cid, model='c4ai-aya-23', connectors=[], temperature=0.3)
     #stream = co.generate(prompt=user_message, model='c4ai-aya-23')
     output = ""