From 8abcdb6222b2f88eb1b01e45d09466d38a4b232d Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Fri, 17 Jul 2020 20:31:51 -0500
Subject: [PATCH] Fix a string identity comparison.

---
 redbaron/base_nodes.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/redbaron/base_nodes.py b/redbaron/base_nodes.py
index f681a9bc..e8e7dcb0 100644
--- a/redbaron/base_nodes.py
+++ b/redbaron/base_nodes.py
@@ -687,7 +687,7 @@ def _get_list_attribute_is_member_off(self):
         if self.parent is None:
             return None
 
-        if self.on_attribute is "root":
+        if self.on_attribute == "root":
             in_list = self.parent
         elif self.on_attribute is not None:
             if isinstance(self.parent, NodeList):