(self, value: Any)
| 253 | return serializer(value) |
| 254 | |
| 255 | def _join_if_needed(self, value: Any) -> Any: |
| 256 | if isinstance(value, (list, tuple)): |
| 257 | try: |
| 258 | return self._join_multivalued.join(value) |
| 259 | except TypeError: # list in value may not contain strings |
| 260 | pass |
| 261 | return value |
| 262 | |
| 263 | def export_item(self, item: Any) -> None: |
| 264 | if self._headers_not_written: |