From 8cc1969d0757471b5e1845daf82bec7ae9b8bf46 Mon Sep 17 00:00:00 2001
From: Philipp Rudiger <prudiger@anaconda.com>
Date: Tue, 24 Sep 2019 01:54:19 +0200
Subject: [PATCH] Fix save utility

---
 holoviews/util/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/holoviews/util/__init__.py b/holoviews/util/__init__.py
index 0fae8e1766..0c497eb204 100644
--- a/holoviews/util/__init__.py
+++ b/holoviews/util/__init__.py
@@ -752,7 +752,7 @@ def save(obj, filename, fmt='auto', backend=None, resources='cdn', **kwargs):
         filename = str(filename.absolute())
     if isinstance(filename, basestring):
         supported = [mfmt for tformats in renderer_obj.mode_formats.values()
-                     for mformats in tformats.values() for mfmt in mformats]
+                     for mfmt in tformats]
         formats = filename.split('.')
         if fmt == 'auto' and formats and formats[-1] != 'html':
             fmt = formats[-1]