From 5b940e3c047efffa9ce68cfa3f5187ca94eea5ef Mon Sep 17 00:00:00 2001
From: Jon Mease <jonmmease@gmail.com>
Date: Thu, 21 Mar 2024 20:11:06 -0400
Subject: [PATCH] Don't set embed_options to None

---
 python/vegafusion/vegafusion/__init__.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/python/vegafusion/vegafusion/__init__.py b/python/vegafusion/vegafusion/__init__.py
index 2972afb0..649d89a9 100644
--- a/python/vegafusion/vegafusion/__init__.py
+++ b/python/vegafusion/vegafusion/__init__.py
@@ -59,6 +59,7 @@ def enable(mimetype="html", row_limit=10000, embed_options=None):
         Dictionary of options to pass to the vega-embed. Default
         entry is {'mode': 'vega'}.
     """
+    embed_options = embed_options if embed_options is not None else {}
     return RendererTransformerEnabler(
         renderer_ctx=alt.renderers.enable(
             'vegafusion-mime', mimetype=mimetype, row_limit=row_limit, embed_options=embed_options