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-rw-r--r--src/ast/Python3VisitorImpl.java4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/ast/Python3VisitorImpl.java b/src/ast/Python3VisitorImpl.java
index 7e8881f..66f282e 100644
--- a/src/ast/Python3VisitorImpl.java
+++ b/src/ast/Python3VisitorImpl.java
@@ -528,6 +528,10 @@ public class Python3VisitorImpl extends Python3ParserBaseVisitor<Node> {
if (!al.isEmpty()) {
boolean constant = true;
for (String a : al) {
+ if (R.get(a) == null) {
+ constant = false;
+ break;
+ }
int n = R.get(a);
if (n > lineStart && n <= lineStop) {
constant = false;