Out of index error using Python on NanoTCAD

Hi Guys,

I am running NanoTCAD, a python library, to simulate transistor devices. I have been getting out of index error while using one of the commands, grid:

"IndexError: axis 1 out of bounds [0, 1)"

Code:

File"/home/kemps/anaconda3/lib/python3.5/NanoTCAD_ViDES.py", line 1409,in __init__
x=unique(concatenate((uxC,xg),1));

This error comes every time I try to use grid3D (function). I call the function grid3D like this (function definition below):
gridD=grid3D(xg,yg,CNT.z,CNT.x,CNT.y,CNT.z);
I tried searching online but I couldn't get it to work. I am not sure where I am making a mistake. Any thoughts from Python experts will be very appreciated. I have Anaconda Python 3.5 installed on Ubuntu 16.04 with Scipy v0.17.1 Numpy 1.11.1

The grid3D function is defined as such (from the code provided):

Code:

class grid3D:
def __init__(self,*args):
    # I initialize the rank
    if(mpi4py_loaded):
        rank = MPI.COMM_WORLD.Get_rank()
    else:
        rank=0;
    # args is a tuple and len(args) return 
    # the number of arguments
    # the number of arguments can be either 3 or 6
    # if 3, the first three inputs are the grid along the
    # x,y,z axis
    # if 6, the first three inputs are the grid along the
    # x,y,z axis, while the last three inputs are the x-y-z
    # coordinates of the atoms
    if(len(args)>3):
        xg=around(args[0],5);
        yg=around(args[1],5);
        zg=around(args[2],5);
        xC=around(args[3],5);
        yC=around(args[4],5);
        zC=around(args[5],5);
        npC=size(xC);
    else:
        xg=around(args[0],5);
        yg=around(args[1],5);
        zg=around(args[2],5);
        npC=0;

    #I create the grid
    if(npC!=0):
        #find the unique values for xC,yC and zC
        uxC=unique(xC);
        uyC=unique(yC);
        uzC=unique(zC);

        # I find the only the additional values which are in xg and not in uxC
        # the same for the other axis
        exg=intersect1d(setxor1d(xg,uxC),xg);
        eyg=intersect1d(setxor1d(yg,uyC),yg);
        ezg=intersect1d(setxor1d(zg,uzC),zg);

    if(npC!=0):
        x=unique(concatenate((uxC,xg),1));
        y=unique(concatenate((uyC,yg),1));
        z=unique(concatenate((uzC,zg),1));
    else:
        x=xg;
        y=yg;
        z=zg;

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Out of index error using Python on NanoTCAD