Update app.py

app.py

@@ -65,7 +65,8 @@ async def stream_text(request: StreamTextRequest):
     
     data = {'messages': messages, 'stream': True, 'model': fmodel}
 
-    api_key = request.api_key or SAMBA_NOVA_API_KEY
+    api_key = request.api_key if request.api_key != 'none' else SAMBA_NOVA_API_KEY
+
 
     async def stream_response():
         async with aiohttp.ClientSession() as session: