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-rw-r--r--pym/_emerge/resolver/backtracking.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/pym/_emerge/resolver/backtracking.py b/pym/_emerge/resolver/backtracking.py
index e072275fe..f2857b0f5 100644
--- a/pym/_emerge/resolver/backtracking.py
+++ b/pym/_emerge/resolver/backtracking.py
@@ -47,7 +47,7 @@ class BacktrackParameter(object):
self.reinstall_list == other.reinstall_list
-class _BacktrackNode:
+class _BacktrackNode(object):
__slots__ = (
"parameter", "depth", "mask_steps", "terminal",