bit_names = dict((v, k) for k, v in BITS.items())
return '{%s}' % ','.join(bit_names[bit] for bit in reversed(range(8))
if bit in bits)
bit_names = dict((v, k) for k, v in BITS.items())
return '{%s}' % ','.join(bit_names[bit] for bit in reversed(range(8))
if bit in bits)