Update app.py

app.py

@@ -95,7 +95,7 @@ def stream_chat(message: str, history: list, model: str, temperature: float, max
     if message.startswith("/"):
         ollama_func(message)
     else:
-        if INIT_SIGN:
+        if not INIT_SIGN:
             return "Please Enter /init to initialize Ollama"
         else:
             launch()