Normalizes a font's file format version.

    * **value** must be a :ref:`type-int`.
    * Returned value will be a ``int``.

def normalizeFileFormatVersion(value):
    """
    Normalizes a font's file format version.

    * **value** must be a :ref:`type-int`.
    * Returned value will be a ``int``.
    """
    if not isinstance(value, int):
        raise TypeError("File format versions must be instances of "
                        ":ref:`type-int`, not %s."
                        % type(value).__name__)
    return value