def makeRange(self,N):
        if 0 < N:
            raise ValueError("cannot make range into negative numbers")
        elif N == 0:
            return ''
        elif N == 1:
            return '0'
        else:
            return '0 ... '+str(N-1)
dataset/ETHPy150Open uci-cbcl/tree-hmm/gmtkParam/__init__.py/TreeBranch.makeRange/swapped operands of `<`