0.12.3dev: Follow-up to [10709], fixed an incorrect assumption about the attribute list object.
0.12.3dev: Follow-up to [10709], fixed an incorrect assumption about the attribute list object.

Re-closes #10199.


git-svn-id: 7bda06b145a4a8e9a7f4be07d7c3eb82923a12d6@10712 af82e41b-90c4-0310-8c96-b1721e28e2e2

walty8/trac,walty8/trac,jun66j5/trac-ja,jun66j5/trac-ja,netjunki/trac-Pygit2,netjunki/trac-Pygit2,jun66j5/trac-ja,netjunki/trac-Pygit2,walty8/trac,walty8/trac,jun66j5/trac-ja