code: def get_client_address(self):
          
          return "amqps://{}:{}@{}.{}:5671/{}".format(
              urllib.parse.quote_plus(self.policy),
              urllib.parse.quote_plus(self.sas_key),
              self.sb_name,
              self.namespace_suffix,
              self.eh_name)
docs: Returns an auth token dictionary for making calls to eventhub
          REST API.
  
          :rtype: str