code: def check_version():
      
      import requests
      r = requests.get('https://pypi.python.org/pypi/intern/json').json()
      r = r['info']['version']
      if r != __version__:
          print("You are using version {}. A newer version of intern is available: {} ".format(__version__, r) +
                "\n\n'pip install -U intern' to update.")
      return r
docs: Tells you if you have an old version of intern.