From 66842072e36c5893cdf0e11ed966f19ce3e0b414 Mon Sep 17 00:00:00 2001
From: Goffi <goffi@goffi.org>
Date: Fri, 24 Mar 2023 10:29:48 +0100
Subject: [PATCH] core (memory/sqla): be sure to have a dict when serialising
 History.extra:

`extra` can be None, this patch avoid this value when serialising it by using an empty
dict.
---
 sat/memory/sqla_mapping.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sat/memory/sqla_mapping.py b/sat/memory/sqla_mapping.py
index 8c1e91c8..377e4948 100644
--- a/sat/memory/sqla_mapping.py
+++ b/sat/memory/sqla_mapping.py
@@ -273,7 +273,7 @@ class History(Base):
         return f"History<{self.source_jid.full()}->{self.dest_jid.full()} [{dt}]>"
 
     def serialise(self):
-        extra = self.extra
+        extra = self.extra or {}
         if self.origin_id is not None:
             extra["origin_id"] = self.origin_id
         if self.stanza_id is not None: