Update app.py

app.py

@@ -1079,16 +1079,16 @@ u2net_global = None
 birefnet = None
 
 # Model paths - use absolute paths for Docker
-reference_model_path = os.path.join(CACHE_DIR, "best.pt")
+reference_model_path = os.path.join(CACHE_DIR, "best1.pt")
 u2net_model_path = os.path.join(CACHE_DIR, "u2netp.pth")
 
 # Copy model files to cache if they don't exist - with error handling
 def ensure_model_files():
     if not os.path.exists(reference_model_path):
-        if os.path.exists("best.pt"):
-            shutil.copy("best.pt", reference_model_path)
+        if os.path.exists("best1.pt"):
+            shutil.copy("best1.pt", reference_model_path)
         else:
-            raise FileNotFoundError("best.pt model file not found")
+            raise FileNotFoundError("best1.pt model file not found")
     if not os.path.exists(u2net_model_path):
         if os.path.exists("u2netp.pth"):
             shutil.copy("u2netp.pth", u2net_model_path)