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-rw-r--r--pym/portage/dbapi/vartree.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/pym/portage/dbapi/vartree.py b/pym/portage/dbapi/vartree.py
index 3c7e9345f..11eaca302 100644
--- a/pym/portage/dbapi/vartree.py
+++ b/pym/portage/dbapi/vartree.py
@@ -2618,7 +2618,7 @@ class dblink(object):
break
cpv_lib_map = {}
- while not lib_graph.empty():
+ while lib_graph:
root_nodes = preserved_nodes.intersection(lib_graph.root_nodes())
if not root_nodes:
break