Properly handle slices missing start or end

2023-09-29 17:51:17 -04:00
parent 8bb4dd66c1
commit 29698bb6db
1 changed files with 2 additions and 2 deletions
@@ -298,8 +298,8 @@ class Visitor(ast.NodeVisitor):
        self.stack.append(set(self.generate(node)))

    def visit_Slice(self, node):
-        lower = self.evaluate(node.lower)
-        upper = self.evaluate(node.upper)
+        lower = None if node.lower is None else self.evaluate(node.lower)
+        upper = None if node.upper is None else self.evaluate(node.upper)
        step = None if node.step is None else self.evaluate(node.step)
        self.stack.append(slice(lower, upper, step))