(self, pos)
| 352 | raise Error('no marks') |
| 353 | |
| 354 | def setpos(self, pos): |
| 355 | if pos < 0 or pos > self._nframes: |
| 356 | raise Error('position not in range') |
| 357 | self._soundpos = pos |
| 358 | self._data_seek_needed = 1 |
| 359 | |
| 360 | def readframes(self, nframes): |
| 361 | if self._data_seek_needed: |