From ce8b463b151e7f2811a0effba7f2bed7de167cf1 Mon Sep 17 00:00:00 2001
From: Nolan Woods <nolan_w@sfu.ca>
Date: Thu, 12 Nov 2020 11:00:58 -0800
Subject: [PATCH] Add 'Constant' to allowed node types. Resolves
 https://github.com/galaxyproject/galaxy/issues/10688

---
 lib/galaxy/jobs/runners/state_handlers/_safe_eval.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/galaxy/jobs/runners/state_handlers/_safe_eval.py b/lib/galaxy/jobs/runners/state_handlers/_safe_eval.py
index 14d97d2ba7d..be0dc92b621 100644
--- a/lib/galaxy/jobs/runners/state_handlers/_safe_eval.py
+++ b/lib/galaxy/jobs/runners/state_handlers/_safe_eval.py
@@ -8,7 +8,7 @@ AST_NODE_TYPE_ALLOWLIST = [
     'Expr', 'Load', 'Str', 'Num', 'BoolOp', 'Compare', 'And', 'Eq', 'NotEq',
     'Or', 'GtE', 'LtE', 'Lt', 'Gt', 'BinOp', 'Add', 'Div', 'Sub', 'Mult', 'Mod',
     'Pow', 'LShift', 'GShift', 'BitAnd', 'BitOr', 'BitXor', 'UnaryOp', 'Invert',
-    'Not', 'NotIn', 'In', 'Is', 'IsNot', 'List', 'Index', 'Subscript',
+    'Not', 'NotIn', 'In', 'Is', 'IsNot', 'List', 'Index', 'Subscript', 'Constant',
     # Further checks
     'Name', 'Call', 'Attribute',
 ]