From 818078d5160db56f60e726db71af4f26383edbc0 Mon Sep 17 00:00:00 2001
From: pythongosssss <125205205+pythongosssss@users.noreply.github.com>
Date: Wed, 3 Jan 2024 18:27:12 +0000
Subject: [PATCH] fix crash if workflow not present

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

diff --git a/py/math_expression.py b/py/math_expression.py
index decebdc..aa7a17a 100644
--- a/py/math_expression.py
+++ b/py/math_expression.py
@@ -95,7 +95,7 @@ class MathExpression:
         return expression
 
     def get_widget_value(self, extra_pnginfo, prompt, node_name, widget_name):
-        workflow = extra_pnginfo["workflow"]
+        workflow = extra_pnginfo["workflow"] if "workflow" in extra_pnginfo else { "nodes": [] }
         node_id = None
         for node in workflow["nodes"]:
             name = node["type"]