Get retrieves a value of the type specified by `flags`  at the
        given offset.

def Get(self, flags, off):
        """
        Get retrieves a value of the type specified by `flags`  at the
        given offset.
        """
        N.enforce_number(off, N.UOffsetTFlags)
        return flags.py_type(encode.Get(flags.packer_type, self.Bytes, off))