def _create_valid_checkbox(self, row: RowWidgets) -> QCheckBox:
valid_checkbox = QCheckBox(row.parent)
is_checked = True if row.fact is None else row.fact.is_valid
valid_checkbox.setChecked(is_checked)
valid_checkbox.stateChanged.connect(self.on_valid_changed)
valid_checkbox.row = row
return valid_checkbox
