Update app.py

app.py

@@ -24,6 +24,7 @@ except ImportError:
     import sys
     subprocess.check_call([sys.executable, '-m', 'pip', 'install', '--no-deps', 'xcodec2==0.1.5'])
     subprocess.check_call([sys.executable, '-m', 'pip', 'install', 'torchtune'])
+    subprocess.check_call([sys.executable, '-m', 'pip', 'install', 'torchtao'])
     print('pip success!')
     from xcodec2.modeling_xcodec2 import XCodec2Model