code: def fetch_tablist(self):
  		
  		# find websocket endpoint
  		try:
  			response = requests.get("http://%s:%s/json" % (self.host, self.port))
  		except requests.exceptions.ConnectionError:
  			raise cr_exceptions.ChromeConnectFailure("Failed to fetch configuration json from browser!")
  
  		tablist = json.loads(response.text)
  
  		return tablist
docs: Connect to host:port and request list of tabs
  			 return list of dicts of data about open tabs.