GIMP Version: 2.8.18
Operating System: Windows
GIMP Experience: Basic Level

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As many of you know, I'm quite ignorant on paths.
So, I have a little question for the experts on paths:
assuming there is an image with a path already created and I want to access the path, set it visible (and active, later).

First I tried the pdb procedure:
nr,paths = pdb.gimp_image_get_vectors (img)
supposing to get in paths the list of vectors, I then entered:
newpath = paths[0]
pdb.gimp_item_set_visible (newpath, True)
I get an error : wrong parameter type

Then I tried the object procedure:
paths = img.vectors
which is supposed to give the list of vectors in the image img. I then entered as before:
newpath = paths[0]
pdb.gimp_item_set_visible (newpath, True)
That works.

Hence my question:
why does the pdb method return a different "list" with respect to the object method?

addendum:
I know that python "works" on objects and not on ids, and that the pdb.gimp_image_get_vectors returns ids, but AFAIK all PDB functions return/get ids.
Is this a special case because of paths?

Edit: pdb python interface SHOULD return always objects and not ids
Is this a bug for the pdb to python interface?

by googling I found a solution for the method using PDB.
The sequence:
works, but the one who suggested this said also that could be a bug to be fixed in the interface PDB for python

Ninja'ed for this. However, I usually don't worry about that because I use:

...which is much simpler!
(Do you think too that it's an error in the PDB interface for Python?)

yes, likely a bug.

For the record, there are several attributes that are read/write: name, linked, and visible.

And I just found that instead if using the obscure gimp._id2vectors() (which isn't for general public use as implied by the leading underscore) you can use the more official looking:

many thanks, ofnuts