From: Zac Medico <zmedico@gentoo.org>
Date: Sun, 18 Sep 2011 21:57:08 +0000 (-0700)
Subject: get_dep_chain: fix KeyError if start_node is root
X-Git-Tag: v2.2.0_alpha59~4
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=7307975a8f4ee465a27ed7cd28fde5db22607248;p=portage.git

get_dep_chain: fix KeyError if start_node is root
---

diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index 400207e4e..deda44157 100644
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -2704,7 +2704,7 @@ class depgraph(object):
 		traversed_nodes.add(start_node)
 
 		start_node_parent_atoms = {}
-		for ppkg, patom in all_parents[node]:
+		for ppkg, patom in all_parents.get(node, []):
 			# Get a list of suitable atoms. For use deps
 			# (aka unsatisfied_dependency is not None) we
 			# need that the start_node doesn't match the atom.