get_dep_chain: fix broken parent_arg reference

Broken since commit b4f98ec5a1eb2e010a455b19db5bef8d61def241.

diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index 9dff67876407654171cc83fe737199746eaa8533..17405b06dc1c72b502f6a50d2860fc3f9c014588 100644 (file)
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -2411,7 +2411,7 @@ class depgraph(object):
                                        selected_parent = parent_arg
                                else:
                                        dep_chain.append(
-                                               (_unicode_decode("%s") % (parent,), "argument"))
+                                               (_unicode_decode("%s") % (parent_arg,), "argument"))
                                        selected_parent = None
 
                        node = selected_parent