Update "__all__" attribute in "colour.quality.dataset.vs" module.
@@ -37,7 +37,10 @@ __maintainer__ = 'Colour Developers'
__email__ = 'colour-science@googlegroups.com'
__status__ = 'Production'
-__all__ = ['VS_APPROXIMATE_MUNSELL_NOTATIONS', 'VS_SDS_DATA', 'VS_SDS']
+__all__ = [
+ 'VS_INDEXES_TO_NAMES', 'VS_APPROXIMATE_MUNSELL_NOTATIONS', 'VS_SDS_DATA',
+ 'VS_SDS'
+]
VS_INDEXES_TO_NAMES = {
1: 'VS1',
