FormatSizeFlags# class FormatSizeFlags# Flags to modify the format of the string returned by format_size_full(). Fields# class FormatSizeFlags BITS# The type of the None singleton. DEFAULT# The type of the None singleton. IEC_UNITS# The type of the None singleton. LONG_FORMAT# The type of the None singleton. ONLY_UNIT# The type of the None singleton. ONLY_VALUE# The type of the None singleton.