From f1a16f96ca8896e09a476f1d842eb9e435811a64 Mon Sep 17 00:00:00 2001
From: David Perl <david.perl@diamond.ac.uk>
Date: Tue, 18 Jun 2024 11:27:17 +0100
Subject: [PATCH] make json more robust

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

diff --git a/ophyd/status.py b/ophyd/status.py
index 8639ba48e..428eb47cb 100644
--- a/ophyd/status.py
+++ b/ophyd/status.py
@@ -700,7 +700,7 @@ def __init__(self, device, **kwargs):
             if device
             else {"no_device_given": True}
         )
-        self._trace_attributes["kwargs"] = json.dumps(kwargs)
+        self._trace_attributes["kwargs"] = json.dumps(kwargs, default=repr)
 
     def _handle_failure(self):
         super()._handle_failure()