From 9d3d0ccdeb4e6d8759c0280588d9f56f13ba22cc Mon Sep 17 00:00:00 2001
From: Xaroth Brook <devnull@xaroth.nl>
Date: Fri, 24 Jan 2014 23:48:51 +0100
Subject: [PATCH] -Fix: compare against six.string_types.

six.text_type can throw errors if the result is an empty string in
python 2.7, where six.string_types will correctly detect it.
---
 compressor/templatetags/compress.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compressor/templatetags/compress.py b/compressor/templatetags/compress.py
index 8479e1d..6e86d01 100644
--- a/compressor/templatetags/compress.py
+++ b/compressor/templatetags/compress.py
@@ -108,7 +108,7 @@ class CompressorMixin(object):
             rendered_output = self.render_output(compressor, mode, forced=forced)
             if cache_key:
                 cache_set(cache_key, rendered_output)
-            assert isinstance(rendered_output, six.text_type)
+            assert isinstance(rendered_output, six.string_types)
             return rendered_output
         except Exception:
             if settings.DEBUG or forced: