tree e1a2425dec78ad361f846fe3e67bf67c803aa574
parent 917e70d1009727115afbe90e297711d54b7e5374
author Zac Medico <zmedico@gentoo.org> 1322427124 -0800
committer Zac Medico <zmedico@gentoo.org> 1322427124 -0800

_get_dep_chain: fix KeyError, bug #392059

This fixes a regression since commit
57cc4e3e8991e7c4394d1dff7698aa62ed2a286b, which make a faulty
assumption that the digraph contained all of the edges contained in
parent_atoms.