(self)
| 409 | del self.obj.dialect_options[dialect][value_key] |
| 410 | |
| 411 | def __len__(self) -> int: |
| 412 | return sum( |
| 413 | len(args._non_defaults) |
| 414 | for args in self.obj.dialect_options.values() |
| 415 | ) |
| 416 | |
| 417 | def __iter__(self) -> Generator[str, None, None]: |
| 418 | return ( |