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-rw-r--r--inference.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/inference.py b/inference.py
index 3e791e9b..df01e837 100644
--- a/inference.py
+++ b/inference.py
@@ -162,10 +162,13 @@ class CallContext:
# .infer method ###############################################################
+# extend all classes instead of base Node class which is an unextendable type
+# in 2.6
def infer_default(self, context=None):
"""we don't know how to resolve a statement by default"""
raise InferenceError(self.__class__.__name__)
-nodes.Node.infer = infer_default
+for cls in nodes.ALL_NODES:
+ cls.infer = infer_default
def infer_end(self, context=None):