paths = g.allPaths(l, o) AttributeError: 'int' object has no attribute 'allPaths'

This error occurs because you are trying to call the method `allPaths` on an integer object (`l` in this case) which does not have this method.

Most likely, `g` is an object of a custom class that has a method `allPaths` which takes two parameters (the start and end nodes) and returns all possible paths between them.

Make sure that you are passing the correct parameters to the `allPaths` method, and that `g` is indeed an object of the expected class.