code: def read_shortstr(self):
          
          self.bitcount = self.bits = 0
          slen = unpack('B', self.input.read(1))[0]
          return self.input.read(slen).decode('utf-8')
docs: Read a short string that's stored in up to 255 bytes.
  
          The encoding isn't specified in the AMQP spec, so
          assume it's utf-8