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-rw-r--r--src/engine/SCons/Node/Python.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/engine/SCons/Node/Python.py b/src/engine/SCons/Node/Python.py
index f151fc5..92cc320 100644
--- a/src/engine/SCons/Node/Python.py
+++ b/src/engine/SCons/Node/Python.py
@@ -67,7 +67,7 @@ class ValueNodeInfo(SCons.Node.NodeInfoBase):
"""
# TODO check or discard version
del state['_version_id']
- for key, value in state.items():
+ for key, value in list(state.items()):
if key not in ('__weakref__',):
setattr(self, key, value)