From: Zac Medico <zmedico@gentoo.org>
Date: Mon, 8 Dec 2008 20:55:07 +0000 (-0000)
Subject: Avoid TypeError in BlockerCache.__iter__() that's triggered with
X-Git-Tag: v2.2_rc18~43
X-Git-Url: http://git.tremily.us/gitweb.cgi?a=commitdiff_plain;h=459faf4f5bdbbcba2ce5f088408bf8a3e235d460;p=portage.git

Avoid TypeError in BlockerCache.__iter__() that's triggered with
FEATURES=python-trace. Thanks to Fabian Groffen <grobian@g.o> for reporting.

svn path=/main/trunk/; revision=12180
---

diff --git a/pym/_emerge/__init__.py b/pym/_emerge/__init__.py
index bb9ae689d..996590da0 100644
--- a/pym/_emerge/__init__.py
+++ b/pym/_emerge/__init__.py
@@ -3890,6 +3890,9 @@ class BlockerCache(DictMixin):
 		self._modified.add(cpv)
 
 	def __iter__(self):
+		if self._cache_data is None:
+			# triggered by python-trace
+			return iter([])
 		return iter(self._cache_data["blockers"])
 
 	def __delitem__(self, cpv):