Update app.py

app.py

@@ -29,6 +29,7 @@ os.chdir('NeMo')
 subprocess.run([sys.executable, '-m', 'pip', 'install', '-e', '.'])
 os.system('bash reinstall.sh')
 os.chdir('..')
+
 os.execv(sys.executable, ['python'] + sys.argv)
 
 # Commented out IPython magic to ensure Python compatibility.