(self, value)
| 2145 | return on, off |
| 2146 | |
| 2147 | def _single_set_value(self, value): |
| 2148 | assert len(value) == 1 |
| 2149 | on, off = self._get_items(value[0]) |
| 2150 | assert len(on) <= 1 |
| 2151 | if not on: |
| 2152 | off[0].selected = True |
| 2153 | |
| 2154 | def _multiple_set_value(self, value): |
| 2155 | compat = self._form.backwards_compat |