Error when depixelizing png images

[swiftech]

AttributeError: 'Graph' object has no attribute 'nodes_iter'

OS: Mac10.12.6
Python: 2.7

[ignitusboyone]

I can confirm this behavior. I'm investigating this for my own purposes.

https://stackoverflow.com/questions/33734836/graph-object-has-no-attribute-nodes-iter-in-networkx-module-python