@@ -, +, @@ 
---
 pym/_emerge/BlockerDB.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/pym/_emerge/BlockerDB.py	
+++ a/pym/_emerge/BlockerDB.py	
@@ -6,6 +6,7 @@ import sys
 import portage
 from portage import os
 from portage import digraph
+from portage.dep import Atom
 from portage._sets.base import InternalPackageSet
 
 from _emerge.BlockerCache import BlockerCache
@@ -117,7 +118,7 @@ class BlockerDB(object):
 	def discardBlocker(self, pkg):
 		"""Discard a package from the list of potential blockers.
 		This will match any package(s) with identical cpv or cp:slot."""
-		for cpv_match in self._fake_vartree.dbapi.match_pkgs("=%s" % (pkg.cpv,)):
+		for cpv_match in self._fake_vartree.dbapi.match_pkgs(Atom("=%s" % (pkg.cpv,))):
 			if cpv_match.cp == pkg.cp:
 				self._fake_vartree.cpv_discard(cpv_match)
 		for slot_match in self._fake_vartree.dbapi.match_pkgs(pkg.slot_atom):
--