diff --git a/frappe/core/doctype/doctype/doctype.py b/frappe/core/doctype/doctype/doctype.py
index ccb512ba6f..98349f716d 100644
--- a/frappe/core/doctype/doctype/doctype.py
+++ b/frappe/core/doctype/doctype/doctype.py
@@ -761,8 +761,7 @@ def validate_permissions(doctype, for_remove=False):
 			d.set("import", 0)
 			d.set("export", 0)
 
-		for ptype, label in (
-			("set_user_permissions", _("Set User Permissions"))):
+		for ptype, label in [["set_user_permissions", _("Set User Permissions")]]:
 			if d.get(ptype):
 				d.set(ptype, 0)
 				frappe.msgprint(_("{0} cannot be set for Single types").format(label))