code: def _getse(self):
          
          try:
              value, newpos = self._readse(0)
              if value is None or newpos != self.len:
                  raise ReadError
          except ReadError:
              raise InterpretError("Bitstring is not a single exponential-Golomb code.")
          return value
docs: Return data as signed exponential-Golomb code.
  
          Raises InterpretError if bitstring is not a single exponential-Golomb code.