From a9936266b54f3c674fdb9e73e74411a53b1a6c29 Mon Sep 17 00:00:00 2001
From: Peter Vandenabeele <peter.vandenabeele@byteflies.com>
Date: Tue, 6 Feb 2024 01:13:46 +0100
Subject: [PATCH] fix: on exception, return a 0, so that the "sum" still
 computes (#1204)

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

diff --git a/ipykernel/kernelbase.py b/ipykernel/kernelbase.py
index 83aebe6f0..4bf2dee35 100644
--- a/ipykernel/kernelbase.py
+++ b/ipykernel/kernelbase.py
@@ -1049,7 +1049,7 @@ def get_process_metric_value(self, process, name, attribute=None):
         # Avoid littering logs with stack traces
         # complaining about dead processes
         except BaseException:
-            return None
+            return 0
 
     async def usage_request(self, stream, ident, parent):
         """Handle a usage request."""