diff --git a/tensorflow/python/autograph/pyct/static_analysis/type_inference.py b/tensorflow/python/autograph/pyct/static_analysis/type_inference.py
index 3412a8a6aa0..4e8a9a90020 100644
--- a/tensorflow/python/autograph/pyct/static_analysis/type_inference.py
+++ b/tensorflow/python/autograph/pyct/static_analysis/type_inference.py
@@ -173,6 +173,7 @@ class StmtInferrer(gast.NodeVisitor):
     self.closure_types = closure_types
     self.types_in = types_in
     self.new_symbols = {}
+    self.rvalue = None
 
   def visit(self, node):
     types = super().visit(node)