code: async def get_oauth_verifier(oauth_token):
      
      url = "https://api.twitter.com/oauth/authorize?oauth_token=" + oauth_token
  
      try:
          browser = webbrowser.open(url)
          await asyncio.sleep(2)
  
          if not browser:
              raise RuntimeError
      except RuntimeError:
          print("could not open a browser\ngo here to enter your PIN: " + url)
  
      verifier = input("\nEnter your PIN: ")
      return verifier
docs: Open authorize page in a browser,
      print the url if it didn't work
  
      Arguments
      ---------
      oauth_token : str
          The oauth token received in :func:`get_oauth_token`
  
      Returns
      -------
      str
          The PIN entered by the user