From ac1c8c7c3ff8694c1b8d8e5c02a262cec5bcef87 Mon Sep 17 00:00:00 2001
From: sahil28297 <37302950+sahil28297@users.noreply.github.com>
Date: Tue, 3 Sep 2019 22:15:59 +0530
Subject: [PATCH] fix(nestedset): check if meta has nsm_parent_field

---
 frappe/utils/nestedset.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/frappe/utils/nestedset.py b/frappe/utils/nestedset.py
index dbc43de00b..ab426d2ce4 100644
--- a/frappe/utils/nestedset.py
+++ b/frappe/utils/nestedset.py
@@ -184,7 +184,7 @@ def validate_loop(doctype, name, lft, rgt):
 
 class NestedSet(Document):
 	def __setup__(self):
-		if self.meta.nsm_parent_field:
+		if self.meta.get("nsm_parent_field"):
 			self.nsm_parent_field = self.meta.nsm_parent_field
 
 	def on_update(self):