code: def call(self, uri, *args, **kwargs ):
          
          if self._state == STATE_DISCONNECTED:
              raise Exception("WAMP is currently disconnected!")
          options = {
              'disclose_me': True
          }
          uri = self.get_full_uri(uri)
          message = self.send_and_await_response(CALL(
                        options=options,
                        procedure=uri,
                        args=args,
                        kwargs=kwargs
                      ))
  
          if message == WAMP_RESULT:
              return message.args[0]
  
          if message == WAMP_ERROR:
              if message.args:
                  err = message.args[0]
              else:
                  err = message.error
              raise ExInvocationError(err)
  
          return message
docs: Sends a RPC request to the WAMP server