def _PopLine(self):
    while len(self._current_line) <= self._column:
      try:
        self._current_line = next(self._lines)
      except __HOLE__:
        self._current_line = ''
        self._more_lines = False
        return
      else:
        self._line += 1
        self._column = 0
dataset/ETHPy150Open sklearn-theano/sklearn-theano/sklearn_theano/externals/google/protobuf/text_format.py/_Tokenizer._PopLine