Make the one string message sent to the bulb

def build_message(self):
        """
            Make the one string message sent to the bulb
        """
        if self.params is None:
            inline_params = ""
        else:
            # Put all params in one string
            inline_params = ""
            if type(self.params) is list:
                for x in self.params:
                    if x != self.params[0]:
                        inline_params += ", "
                    if type(x) is int:
                        inline_params += str(x)
                    else:
                        inline_params += '"{}"'.format(x)
            else:
                inline_params += '"{}"'.format(self.params)

        # Build message with that string
        self.message = self.COMMAND_BODY.format(str(self.command_id), self.method, inline_params)