From be04f25666436b7bfdf684194c18823eee50ae26 Mon Sep 17 00:00:00 2001
From: Christian Decker <decker.christian@gmail.com>
Date: Fri, 1 Apr 2022 15:08:55 +0200
Subject: [PATCH] msggen: Don't assume we have properties in the schema

---
 contrib/msggen/msggen/model.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contrib/msggen/msggen/model.py b/contrib/msggen/msggen/model.py
index 4c8902bee..411f71f07 100644
--- a/contrib/msggen/msggen/model.py
+++ b/contrib/msggen/msggen/model.py
@@ -100,7 +100,7 @@ class CompositeField(Field):
     def from_js(cls, js, path):
         typename = path2type(path)
 
-        properties = js["properties"]
+        properties = js.get("properties", {})
         # Ok, let's flatten the conditional properties. We do this by
         # reformatting the outer conditions into the `allOf` format.
         top = {