How to use the bleak.backends._manufacturers.MANUFACTURERS.get function in bleak

def __str__(self):
        if self.name == "Unknown":
            if "manufacturer_data" in self.metadata:
                ks = list(self.metadata["manufacturer_data"].keys())
                if len(ks):
                    mf = MANUFACTURERS.get(ks[0], MANUFACTURERS.get(0xffff))
                    value = self.metadata["manufacturer_data"].get(
                        ks[0], MANUFACTURERS.get(0xffff)
                    )
                    # TODO: Evaluate how to interpret the value of the company identifier...
                    return "{0}: {1} ({2})".format(self.address, mf, value)
        return "{0}: {1}".format(self.address, self.name)

def __str__(self):
        if self.name == "Unknown":
            if "manufacturer_data" in self.metadata:
                ks = list(self.metadata["manufacturer_data"].keys())
                if len(ks):
                    mf = MANUFACTURERS.get(ks[0], MANUFACTURERS.get(0xffff))
                    value = self.metadata["manufacturer_data"].get(
                        ks[0], MANUFACTURERS.get(0xffff)
                    )
                    # TODO: Evaluate how to interpret the value of the company identifier...
                    return "{0}: {1} ({2})".format(self.address, mf, value)
        return "{0}: {1}".format(self.address, self.name)