def active_contributors(from_date, to_date=None, locale=None, product=None):
 return User.objects.filter(id__in=_active_contributors_id(from_date, to_date, locale, product)).order_by('username')

def active_contributors ( from_date , to_date = None , locale = None , product = None ) : return User . objects . filter ( id__in = _active_contributors_id ( from_date , to_date , locale , product ) ) . order_by ( 'username' )
return active kb contributors for the specified parameters .