Update app.py

app.py

@@ -1,9 +1,8 @@
 # PyTorch 2.8 (temporary hack)
 import os
-os.system('wget \
-    --progress=dot:giga \
+os.system('axel \
+    -o cuda-install.run
     https://developer.download.nvidia.com/compute/cuda/12.9.0/local_installers/cuda_12.9.0_575.51.03_linux.run \
-    -O cuda-install.run \
     && fakeroot sh cuda-install.run --silent --toolkit --override \
     && rm cuda-install.run \
 ')