fix check space gradio

main.py

@@ -483,9 +483,9 @@ async def crear(request: Request):
 @app.get("/check-space")
 async def check_space(url: str = ""):
     try:
-        async with httpx.AsyncClient(timeout=10) as client:
+        async with httpx.AsyncClient(timeout=10, follow_redirects=True) as client:
             r = await client.get(url)
-            if r.status_code < 500:
+            if r.status_code == 200 and "gradio" in r.text.lower():
                 return {"ready": True}
     except:
         pass