Method _validate_margin_value

src/pptx/table.py:374–378

Raise ValueError if `margin_value` is not a positive integer value or |None|.

(margin_value: Length | None)

    @staticmethod
    def _validate_margin_value(margin_value: Length | None) -> None:
        """Raise ValueError if `margin_value` is not a positive integer value or |None|."""
        if not isinstance(margin_value, int) and margin_value is not None:
            tmpl = "margin value must be integer or None, got '%s'"
            raise TypeError(tmpl % margin_value)


class _Column(Subshape):