Return `target` instead of `_url` in get_css.CSSReplacer.__call__().

diff --git a/posts/get_css/get_css.py b/posts/get_css/get_css.py
index 1cda483be4a892b6a4924a58d8aaf1ddc018357c..a25e3f24c0a8c19af46041f73c8590db2dca14fc 100755 (executable)
--- a/posts/get_css/get_css.py
+++ b/posts/get_css/get_css.py
@@ -183,7 +183,7 @@ class CSSReplacer (object):
             mkdir(self._data_dir)
         with open(os.path.join(self._data_dir, filename), 'wb') as f:
             f.write(data)
-        return _url
+        return target
 
 
 def _standardize_css(sheet, **kwargs):