Whether other and self can coexist

def is_contradictory(self, other):
        """
        Whether other and self can coexist
        """
        other = IntervalCell.coerce(other)
        assert other.low <= other.high, "Low must be <= high"
        if max(other.low, self.low) <= min(other.high, self.high):
            return False
        else:
            return True