code: def _init(self):
          
          read_values = []
          read = self._file.read
          last = read(1)
          current = read(1)
          while last != b'' and current != b'' and not \
                  (last == b'\r' and current == b'\n'):
              read_values.append(last)
              last = current
              current = read(1)
          if current == b'' and last != b'\r':
              read_values.append(last)
          self._bytes = b''.join(read_values)
docs: Read the b"\\r\\n" at the end of the message.