fixup! ai: Better handling of load balancing.

jarvis.py

@@ -207,6 +207,9 @@ async def fetch_response_stream_async(host, key, model, msgs, cfg, sid, stop_eve
         try:
             async with httpx.AsyncClient(timeout=t) as client:
                 async with client.stream("POST", host, json={**{"model": model, "messages": msgs, "session_id": sid, "stream": True}, **cfg}, headers={"Authorization": f"Bearer {key}"}) as response:
+                    if response.status_code in LINUX_SERVER_ERRORS:
+                        marked_item(key, LINUX_SERVER_PROVIDER_KEYS_MARKED, LINUX_SERVER_PROVIDER_KEYS_ATTEMPTS)
+                        return
                     async for line in response.aiter_lines():
                         if stop_event.is_set():
                             return