nodes_ids

[lsx1980]

Traceback (most recent call last):
File "/home/suxing/pc2graph/pc2graph/example_single.py", line 64, in
nodes = point_cloud[nodes_ids]
IndexError: only integers, slices (:), ellipsis (...), numpy.newaxis (None) and integer or boolean arrays are valid indices

[aldinorizaldy]

don't know if you are still around, but simply convert dict_keys to list solves the problem
nodes = point_cloud[list(nodes_ids)]