Zero Division Error calling computeDelaunayTriangulation function

[csotomon]

Running the computeDelaunayTriangulation function with a 7.2 millions of point i am getting this error:

checking the code if "think" that the error is in the line 458 because s1.y and s2.y have the same value.

---------------------------------------------------------------------------
ZeroDivisionError                         Traceback (most recent call last)
<ipython-input-182-05f495d7c18c> in <module>
      1 # Delaunay Triangulation
----> 2 triangles = voronoi.computeDelaunayTriangulation(points)

/data/anaconda/envs/geo_env/lib/python3.8/site-packages/voronoi.py in computeDelaunayTriangulation(points)
    841     context  = Context()
    842     context.triangulate = True
--> 843     voronoi( siteList, context )
    844     return context.triangles
    845 

/data/anaconda/envs/geo_env/lib/python3.8/site-packages/voronoi.py in voronoi(siteList, context)
    257             # create a new edge that bisects
    258             bot  = lbnd.rightreg(bottomsite)
--> 259             edge = Edge.bisect(bot,newsite)
    260             context.outBisector(edge)
    261 

/data/anaconda/envs/geo_env/lib/python3.8/site-packages/voronoi.py in bisect(s1, s2)
    470             # set formula of line, with y fixed to 1
    471             newedge.b = 1.0
--> 472             newedge.a = dx/dy
    473             newedge.c /= dy
    474 

ZeroDivisionError: float division by zero