Classifiers must be a list to be properly recognized as multi-value in distutils.upload.
Classifiers must be a list to be properly recognized as multi-value in distutils.upload.

ChrisStevens/workalendar,jaraco/calendra,sayoun/workalendar,novapost/workalendar,gregn610/workalendar,sirk390/workalendar,novafloss/workalendar,shinriyo/workalendar