issue attribute

[tohich51]

Traceback (most recent call last):
  File "src/main.py", line 128, in <module>
    main(args)
  File "src/main.py", line 121, in main
    G = exec_struc2vec(args)
  File "src/main.py", line 97, in exec_struc2vec
    G = struc2vec.Graph(G, args.directed, args.workers, untilLayer = until_layer)
  File "/Users/anton/Downloads/struc2vec-master/src/struc2vec.py", line 20, in __init__
    self.G = g.gToDict()
  File "/Users/anton/Downloads/struc2vec-master/src/graph.py", line 127, in gToDict
    for k,v in self.iteritems():
AttributeError: 'Graph' object has no attribute 'iteritems'

[TsingH-googl]

Hello, this version of struc2vec package is not compatible with python 3 while it is compatible with only python 2.

[sebkaz]

For Python3 You can use https://github.com/sebkaz/struc2vec