text: import os
  from urllib.request import urlretrieve
  url = "https://github.com/plotly/orca/releases/download/v1.2.1/orca-1.2.1-x86_64.AppImage"
  orca = '/usr/local/bin/orca'
  urlretrieve(url, orca)
  os.chmod(orca, 0o755)
  os.system("apt install xvfb libgconf-2-4")