Suppress asyncio cleanup warning

app.py

@@ -6,6 +6,7 @@ Beautiful Minecraft-themed Gradio UI with a dummy inference function
 """
 
 import os
+import sys
 import torch
 import gradio as gr
 import spaces
@@ -13,6 +14,25 @@ from PIL import Image
 from huggingface_hub import snapshot_download
 from diffusers import DiffusionPipeline
 
+_original_unraisablehook = sys.unraisablehook
+
+
+def _ignore_asyncio_closed_fd_warning(unraisable):
+    object_name = getattr(unraisable.object, "__qualname__", "")
+    is_asyncio_loop_cleanup = object_name == "BaseEventLoop.__del__"
+    is_closed_fd_warning = (
+        unraisable.exc_type is ValueError
+        and "Invalid file descriptor: -1" in str(unraisable.exc_value)
+    )
+
+    if is_asyncio_loop_cleanup and is_closed_fd_warning:
+        return
+
+    _original_unraisablehook(unraisable)
+
+
+sys.unraisablehook = _ignore_asyncio_closed_fd_warning
+
 # ----------------------------------------------------------------------
 # CUSTOM MINECRAFT CSS — THE ULTIMATE THEME
 # ----------------------------------------------------------------------