Upload app.py with huggingface_hub

app.py

@@ -6,6 +6,10 @@ import os
 import sys
 from pathlib import Path
 
+# Set matplotlib backend before any imports that might use it (required for headless environments)
+import matplotlib
+matplotlib.use('Agg')  # Use non-interactive backend
+
 ROOT = Path(__file__).resolve().parent
 PRETRAINED_DIR = ROOT / "pretrained_models"
 MODEL_DIR_SVS = PRETRAINED_DIR / "SoulX-Singer"