(self, value)
| 3637 | return res == 0 |
| 3638 | |
| 3639 | def is_empty_string(self, value): |
| 3640 | return not self.value_is_defined(value) or value == '' |
| 3641 | |
| 3642 | def safe_number_omit_zero(self, obj: object, key: IndexType, defaultValue: Num = None): |
| 3643 | value = self.safe_string(obj, key) |