Thank You for Your answer, I am not sure what to try anymore, I guess I have to return "ime" from __slots__ at cvor() class to show proper strings and I am not able to do it.
Now I am not sure that I am going at right direction to do Kevin Bacon game and will I be able to load this data into graph and find shortest way? -- https://mail.python.org/mailman/listinfo/python-list