From fa55bf28f7f178e35e63d3e24e1cdac95247030a Mon Sep 17 00:00:00 2001
From: evgeny-stakewise <123374581+evgeny-stakewise@users.noreply.github.com>
Date: Tue, 5 Mar 2024 19:39:09 +0300
Subject: [PATCH] Fix _fetch_outdated_indexes (#302)

---
 src/exits/tasks.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/exits/tasks.py b/src/exits/tasks.py
index 95269ca3..843ef4d8 100644
--- a/src/exits/tasks.py
+++ b/src/exits/tasks.py
@@ -106,6 +106,8 @@ async def _fetch_outdated_indexes(oracles: Oracles, update_block: BlockNumber |
         except (ClientError, RetryError) as e:
             warning_verbose(str(e))
             continue
+        if response['exit_signature_block_number'] is None:
+            continue
         if not update_block or response['exit_signature_block_number'] >= update_block:
             outdated_indexes = [val['index'] for val in response['validators']]
             metrics.outdated_signatures.set(len(outdated_indexes))