def add_whitespace(self, start):
        row, col = start
        assert self.prev_row <= row
        col_offset = col - self.prev_col
        if col_offset:
            self.tokens.append(" " * col_offset)
dataset/ETHPy150Open anandology/pyjamas/pgen/tokenize.py/Untokenizer.add_whitespace/swapped operands of `<=`