--- a/eric6/Plugins/CheckerPlugins/CodeStyleChecker/Simplify/ast_unparse.py Tue Apr 13 17:44:23 2021 +0200 +++ b/eric6/Plugins/CheckerPlugins/CodeStyleChecker/Simplify/ast_unparse.py Tue Apr 13 17:48:37 2021 +0200 @@ -852,7 +852,10 @@ if is_simple_tuple(node.slice): self.items_view(self.traverse, node.slice.elts) else: - self.traverse(node.slice) + if isinstance(node.slice, ast.Index): + self.traverse(node.slice.value) + else: + self.traverse(node.slice) def visit_Starred(self, node): self.write("*")