From bd27e64cd846c72db90937c7e0fafa64712ec5df Mon Sep 17 00:00:00 2001
From: Gae24 <96017547+Gae24@users.noreply.github.com>
Date: Thu, 10 Oct 2024 11:49:24 +0200
Subject: [PATCH] fix possible IndexError (#33750)

Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com>
---
 python/tidy/tidy.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/tidy/tidy.py b/python/tidy/tidy.py
index 88e92b80922..247e74a8713 100644
--- a/python/tidy/tidy.py
+++ b/python/tidy/tidy.py
@@ -470,7 +470,7 @@ def validate_dependency_licenses():
         error_fields = error['fields']
         if error['type'] == 'summary':
             num_license_errors = error_fields['licenses']['errors']
-        elif 'graphs' in error_fields:
+        elif 'graphs' in error_fields and error_fields['graphs']:
             crate = error_fields['graphs'][0]['Krate']
             license_name = error_fields['notes'][0]
             message = f'Rejected license "{license_name}". Run `cargo deny` for more details'