From 554cdeb74692d448ef691db28ce35cdf58e228d8 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 27 Jul 2016 12:44:33 +0530
Subject: [PATCH] ...

---
 src/pyj/dom.pyj | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/pyj/dom.pyj b/src/pyj/dom.pyj
index f7bb2388f8..fafbad31a7 100644
--- a/src/pyj/dom.pyj
+++ b/src/pyj/dom.pyj
@@ -103,10 +103,10 @@ def ensure_id(w):
         w.setAttribute('id', ans)
     return ans
 
-extra_css = []
+extra_css = v'[]'
 
 def add_extra_css(func):
-    extra_css.push(func)
+    extra_css.push(func())
 
 def get_widget_css():
     return extra_css.join('\n')