Fix reflex_ui import path for Hugging Face deployment

app.py

@@ -21,7 +21,11 @@ _reflex_pkg_parent = REPO_ROOT / "reflex_ui"
 if str(_reflex_pkg_parent) not in sys.path:
     sys.path.insert(0, str(_reflex_pkg_parent))
 
-from reflex_ui.backend_bridge import run_prediction  # noqa: E402
+_reflex_pkg_nested = _reflex_pkg_parent / "reflex_ui"
+if str(_reflex_pkg_nested) not in sys.path:
+    sys.path.insert(0, str(_reflex_pkg_nested))
+
+from backend_bridge import run_prediction  # noqa: E402
 
 
 def _predict(code: str, language: str, top_k: float):