From 676e588c76def451ba70bf5e3f1e14f74120efbe Mon Sep 17 00:00:00 2001
From: Robin Dunn <robin@alldunn.com>
Date: Thu, 5 Sep 2019 10:38:42 -0700
Subject: [PATCH] Ensure the context is not None before assigning to it

---
 etg/graphics.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/etg/graphics.py b/etg/graphics.py
index 28808563..e117e0e2 100644
--- a/etg/graphics.py
+++ b/etg/graphics.py
@@ -219,7 +219,8 @@ def run():
             @wraps(f)
             def wrapper(self, obj):
                 ctx = f(self, obj)
-                ctx._obj = obj
+                if ctx is not None:
+                    ctx._obj = obj
                 return ctx
             return wrapper
         GraphicsRenderer.CreateContext = _ctx_hold_ref(GraphicsRenderer.CreateContext)