today = date.today()
expire_date = date(today.year, 6, 7)
days = expire_date - today
left_months = days // 30
left_days = days % 30
'''
Error in this line : unsupported operand type(s) for %:
'datetime.timedelta' and 'int'
'''
print('{} Months'.format(left_months), '{} Days'.format(left_days) + " until exhibition day")