Update app.py

app.py

@@ -49,8 +49,8 @@ def generate(
     conversation = []
     if system_prompt:
         conversation.append({"role": "system", "content": system_prompt})
-    # else:
-    #     conversation.append(os.getenv("PROMPT"))
+    else:
+        conversation.append(os.getenv("PROMPT"))
         
     for user, assistant in chat_history:
         conversation.extend([{"role": "user", "content": user}, {"role": "assistant", "content": assistant}])