From def9a74356a2acebf9fcbf8faed8eb33cfa3a150 Mon Sep 17 00:00:00 2001
From: martinRenou <martin.renou@gmail.com>
Date: Mon, 7 Mar 2022 11:39:50 +0100
Subject: [PATCH] Json packer: handle TypeError and fallback to old json_clean

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

diff --git a/jupyter_client/session.py b/jupyter_client/session.py
index f21a34a84..e56b4f861 100644
--- a/jupyter_client/session.py
+++ b/jupyter_client/session.py
@@ -100,7 +100,7 @@ def json_packer(obj):
             ensure_ascii=False,
             allow_nan=False,
         ).encode("utf8")
-    except ValueError as e:
+    except (TypeError, ValueError) as e:
         # Fallback to trying to clean the json before serializing
         packed = json.dumps(
             json_clean(obj),