Make resolve_endpoint return None for blank values

status_check.py

@@ -3,10 +3,19 @@
 from typing import Optional, Tuple
 import os
 import requests
+from urllib.parse import urlparse
 
+    
 def resolve_endpoint() -> Optional[str]:
-    # however you get it today; env var is simplest
-    return os.environ.get("HF_ENDPOINT_URI")
+    uri = (os.environ.get("HF_ENDPOINT_URI") or "").strip()
+    if not uri:
+        return None
+    p = urlparse(uri)
+    if p.scheme not in {"http", "https"} or not p.netloc:
+        # treat bad values like “localhost:8000” (no scheme) as missing
+        return None
+    return uri
+    
 
 def is_endpoint_healthy(uri: str, timeout: float = 5.0) -> Tuple[bool, str]:
     if not uri: