def __init__(self, min_size, max_size):
    if (not isinstance(min_size, (list, tuple))):
        min_size = (min_size,)
    self.min_size = min_size
    self.max_size = max_size
def __init__(self, min_size, max_size):
    if (not isinstance(min_size, (list, tuple))):
        min_size = (min_size,)
    self.min_size = min_size
    self.max_size = max_size