Update madagascar.py
update import relativetimedelta
from datetime import date
from dateutil.easter import easter
-from dateutil.relativedelta import relativedelta as rd
+from dateutil.relativedelta import relativedelta as rd,MO,SU
from holidays.constants import TUE, SAT, SUN
from holidays.constants import JAN, FEB, MAR, APR, MAY, JUL, SEP, OCT, NOV, DEC
